List of referendums in European countries

Poster for the Swedish referendum on the alcohol ban, 1922

This list outlines the referenda (plebiscites, referendums on) that exist in the countries of Europe have been by 2009.

The following are not listed:

• Referendums in Italy (since 1974), Switzerland and Liechtenstein, as people's legislation has a special status in these countries and referendums are far above average - for two of these countries see:
  • Italy: List of Italian referendums
  • Switzerland: List of federal referendums
• Referendums below the national level
• Referendums in Turkey (see referendum in Turkey )
• Referendums under non-democratic circumstances, for example in Austria in 1938 on the Anschluss or in 1971 on the new constitution in Bulgaria

In order to be able to find similar voting topics better through the sorting, the topics should be introduced with the following keywords: Europe, social politics, state institution, territory, constitution, economy and finance, independence.

The figures refer to the figures for the entire or larger electoral body, for example for France including the overseas territories.

date	Country	theme	Authorized	Participation /%	Yes/%	No/%	Remarks
0Nov 7, 1994	Albania	Constitution: Adoption of the draft constitution of October 6, 1994	1,800,000	84.4	41.7
June 29, 1997	Albania	State institution: restoration of the monarchy	1,947,235		33.4	66.7
Nov 22, 1998	Albania	Constitution: adoption of a new constitution	1,914,859	50.6	93.5	6.5
March 14, 1993	Andorra	Constitution: draft constitution	9.323	76.0	74.2	25.8	The draft was adopted and the constitution came into force the following year
March 12, 1950	Belgium	State institution: Retention of the previous king, Leopold III.			57.7		Flanders: 72.2 percent, Wallonia: 40.2 percent. Leopold, who had been accused of collaborating with the German occupiers, abdicated.
Feb. 29, 1992, March 1, 1992 0	Bosnia and Herzegovina	independence	3,253,847	63.7	99.7	0.3
Dec 14, 1916	Denmark	Territory: Sale of the Danish West Indies to the USA	1,200,000	37.4	64.2	35.8
06 Sep 1920	Denmark	Constitution: Constitutional amendments after the referendum in Schleswig	1,291,745	49.6	96.9	3.1
May 23, 1939	Denmark	Constitution: constitutional amendments	2,173,420	48.9	91.9	8.1	Rejected because the number of yes votes was only 44.5 percent (and thus less than 45 percent) of all eligible voters.
May 28, 1953	Denmark	Constitution: Constitutional amendments for the abolition of the Landsting (upper house)	2,585,800	59.1	78.8	21.2
May 28, 1953	Denmark	State institution: change of voting age	2,815,100	57.1	54.6	45.4	Yes-votes here for the voting age of 23 years, no-votes for 21 years
May 30, 1961	Denmark	State institution: Lowering the voting age from 23 to 21 years	2,880,337	37.3	55.0	45.0
June 25, 1963	Denmark	Economy and Finance: Acquisition of Farmland	3,043,170	73.0	38.4	61.6
June 25, 1963	Denmark	Economy and Finance: Law on Small Farmers, statshusmandslov	3,043,170	73.0	38.6	61.4
June 25, 1963	Denmark	Economy and finance: communal forkøbsret	3,043,170	73.0	39.6	60.4
June 25, 1963	Denmark	Economy and finance: naturfredning	3,043,170	73.0	42.6	57.4
June 24, 1969	Denmark	State institution: Reduction of the voting age from 21 to 18 years	3,309,551	63.6	21.4	78.6
21 Sep 1971	Denmark	State institution: Reduction of the voting age from 21 to 20 years	3,378,087	86.2	56.5	43.5
0Oct 2, 1972	Denmark	Europe: joining the EU	3,453,763	90.1	63.3	36.7	It joined the following year, along with Great Britain and Ireland .
19 Sep 1978	Denmark	State institution: Reduction of the voting age from 20 to 18 years	3,615,158	63.2	53.8	46.2
Feb. 27, 1986	Denmark	Europe: adoption of the Single European Act	3,883,429	75.4	56.2	43.8
02nd June 1992	Denmark	Europe: Adoption of the Maastricht Treaty	3,962,005	83.1	49.3	50.7
May 18, 1993	Denmark	Europe: Adoption of the Edinburgh Agreement	3,974,672	86.5	56.7	43.3
May 28, 1998	Denmark	Europe: Adoption of the Amsterdam Treaty	3,996,333	76.2	55.1	44.9
28 Sep 2000	Denmark	Europe: adoption of the euro	3,999,325	87.6	46.8	53.2
0June 7, 2009	Denmark	State institution: change of the succession regulation	4,042,185	59.4	85.4	14.6
June 20, 1926	German Empire	Economy and finance: expropriation of princes	39,707,919	39.3	96.1	3.9	Rejected because the number of yes votes did not correspond to the absolute majority of eligible voters.
Dec 22, 1929	German Empire	Foreign policy: referendum against the Young Plan	42.323.473	14.9	94.5	5.5	Rejected because the number of yes votes did not correspond to the absolute majority of eligible voters.
Feb. 17, 1923 to Feb. 19, 1923	Estonia	Social politics: Whether religion should be taught again in public schools	685.730	66.2	71.9	28.1
Aug 13, 1932 to Aug 15, 1932	Estonia	Constitution: Adoption of Parliament's draft constitution	765.002	90.5	49.2	50.8
June 10, 1933 to June 12, 1933	Estonia	Constitution: Adoption of Parliament's draft constitution	749.461	66.5	32.7	67.3
June 14, 1933 to June 16, 1933	Estonia	Constitution: Adoption of the draft constitution of the Veterans Movement of the War of Independence	739.416	77.9	72.7	27.3
Feb. 23, 1936 to Feb. 25, 1936	Estonia	Constitution: On the convening of the National Assembly and the main features of the Constitution, proposed by Konstantin Päts	759.338	82.9	76.1	23.9
0March 3, 1991	Estonia	independence	1,444,309	82.9	78.4	21.6
June 28, 1992	Estonia	Constitution: Adoption of the draft constitution of the National Assembly	669.080	66.8	91.9	8.1	First question
June 28, 1992	Estonia	State body: on extending the right to vote to those applying for citizenship (around 300,000 people)	669.080	66.7	46.5	53.5	Second question
Sep 14 2003	Estonia	Europe: joining the EU	867.714	64.1	66.8	33.2	Accepted
Dec. 29, 1931, Dec. 30, 1931	Finland	Social Policy: Maintaining the 1919 Alcohol Prohibition	1,752,315	44.4	28.0 / 1.4 / 70.5		Pay for total prohibition, partial prohibition, or total abolition
Oct 16, 1994	Finland	Europe: joining the EU	4,042,606	70.8	56.9	43.1	The accession takes place one year later, together with Sweden and Austria .
Dec. 20, 1851, Dec. 21, 1851	France	Constitution: preservation of the authority of Napoleon III. and the adoption of the draft constitution of December 2, 1851	10,000,000	81.7	92.0	8.0
Nov 21, 1852, Nov 22, 1852	France	State institution: restoration of the Empire in the person of Bonaparte and his family	10,203,458	79.8	96.9	3.1
0May 8, 1870	France	Constitution: approval of the liberal constitutional reforms	11,000,000	81.8	82.7	17.3
Oct 21, 1945	France	Constitution: Whether the National Assembly to be elected should be a constituent	25,744,992	79.1	96.4	3.6	First question
Oct 21, 1945	France	Constitution: Whether the administration should be organized according to the draft law on the back of the ballot paper until the constitution is adopted	25,744,992	79.1	66.5	33.5	Second question
0May 5, 1946	France	Constitution: Adoption of the draft constitution of October 21, 1945	25,829,425	79.6	49.7	55.6
Oct 13, 1946	France	Constitution: Adoption of the draft constitution of June 2, 1946	26,311,643	67.6	53.2	46.8
28 Sep 1958	France	Constitution: On the adoption of the draft constitution	47.249.142	79.8	82.6	17.4
0Jan. 8, 1961	France	Territory: Self-determination of Algeria	32.520.233	92.2	75.0	25.0	Figures for Algeria alone: ​​4,470,215 eligible voters, participation 58.7 percent, yes 69.5 percent, no 30.5 percent
0Apr 8, 1962	France	Territory: Accords d'Evian	27,582,072	75.3	90.8	9.2
Oct 28, 1962	France	Constitution: direct election of the President	28.185.478	77.0	62.3	37.7
Apr. 27, 1969	France	State institution: regional and senate reform	29,392,390	80.1	47.6	52.4	The majority rejection was the external reason for Charles de Gaulle's resignation from the office of President
Apr 23, 1972	France	Europe: "northern expansion" of the EEC	29.820.464	60.2	68.3	31.7	Majority approval for the planned accession of the United Kingdom, Ireland, Denmark and Norway to the EEC
0Nov 6, 1988	France	Territory: Status of New Caledonia	37.087.104	71.1	50.8	49.2	Adoption of the so-called Matignon Agreement.
Sep 20 1992	France	Europe: Adoption of the Maastricht Treaty	38,305,534	69.7	51.0	49.0
Sep 24 2000	France	State institution: the presidential term of office reduced from seven to five years	39,941,192	30.2	73.2	26.8
May 29, 2005	France	Europe: Vote on the adoption of the Treaty for a European Constitution	41.789.202	69.4	45.3	54.7	Majority rejection of the draft constitution
Nov 22, 1920	Greece	State institution: on the return of King Constantine I.			99.0	1.0	Number of votes cast: 1,012,337, of which 99.8 percent are valid
Apr 13, 1924	Greece	State institution: Whether Greece should be a republic (yes) or a "royal democracy"			70.0	30.0	Number of votes cast: 1,084,085, of which 100.0 percent are valid
0Nov 3, 1935	Greece	State institution: Whether Greece should be a “royal democracy” (yes), or a republic			97.9	2.1	Number of votes cast: 1,527,714, of which 99.8 percent are valid
0Sep 1 1946	Greece	State institution: Whether Greece should be a monarchy under King Georgios II	1,921,725	86.6	68.4	31.6
0Dec 8, 1974	Greece	State institution: Whether Greece should be a republic (yes) or a "royal democracy"	6,244,539	75.6	69.2	30.8	Abolition of the monarchy in Greece as a result of the referendum
05th July 2015	Greece	Europe: Euro referendum (whether Greece should meet the conditions of its lenders in the euro zone )	9,858,508	62.50	38.69	61.31	Rejection of lender proposals in all parts of the country
05th June 1975	United Kingdom	Europe: Confirmation of EC membership	40,084,954	64.6	67.2	32.8	A majority of those who voted agreed to join the EEC in 1973.
May 29, 2011	United Kingdom	Constitution: changing the electoral system	45.684.501	42.2	32.1	67.9	The introduction of instant runoff voting was rejected
June 23, 2016	United Kingdom	Europe: Referendum on further EU membership	46,499,537	72.2	48.11	51.89	Majority vote in favor of leaving the EU.
0July 1, 1937	Irish Free State	Constitution: Adoption of the draft constitution	1,775,055	75.8	56.5	43.5
June 17, 1959	Ireland	State institution: Reform of the electoral system, from proportional representation with STV to single constituencies	1,678,450	58.4	48.2	51.8
Oct 16, 1968	Ireland	State institution: reform of the electoral system, permission for constituencies to deviate more from the average	1,717,389	65.8	39.2	60.8
Oct 16, 1968	Ireland	State institution: Reform of the electoral system, from proportional representation with STV to single constituencies	1,717,389	65.8	39.2	60.8
May 10, 1972	Ireland	Europe: joining the EC	1,783,604	70.9	83.1	16.9
0Dec. 7, 1972	Ireland	State institution: Reduction of the voting age from 21 to 18 years	1,783,604	50.7	84.6	15.4
0Dec. 7, 1972	Ireland	State institution: removal of the special position of the Catholic Church from the constitution	1,783,604	50.7	84.4	15.6
05th July 1979	Ireland	Social Policy: Protection of the Adoption System	2,179,466	28.6	99.0	1.0
05th July 1979	Ireland	State institution: Change of representation of universities in the Senate	2,179,466	28.6	92.4	7.6
0Sep 7 1983	Ireland	Social politics: the right to life of the unborn life, with a simultaneous, equal right of the mother to life	2,358,651	53.7	66.9	33.1
June 14, 1984	Ireland	State institution: permission to parliament to give non-citizens the right to vote	2,399,257	47.5	75.4	24.6
June 26, 1986	Ireland	Social policy: legalization of divorce	2,436,836	60.8	36.5	63.5
May 26, 1987	Ireland	Europe: adoption of the Single European Act	2,461,790	44.1	69.9	30.1
June 18, 1992	Ireland	Europe: Adoption of the Maastricht Treaty	2,542,840	57.3	69.1	30.9
Nov 25, 1992	Ireland	Social policy: restriction of the right to abortion	2,542,841	68.2	34.6	65.4
Nov 25, 1992	Ireland	Social policy: Confirmation that the unborn child's right to life (1983) does not restrict (abortion-related) freedom of travel	2,542,841	68.2	62.4	37.6
Nov 25, 1992	Ireland	Social politics: Confirmation that the unborn child's right to life (1983) does not restrict (abortion-related) freedom of information	2,542,841	68.1	59.9	40.1
Nov 24, 1995	Ireland	Social Policy: Legalizing Abortion	2,628,834	62.2	50.3	49.7
Nov 24, 1995	Ireland	Europe: adoption of the Amsterdam Treaty	2,747,088	56.2	61.7	38.3
Nov 25, 1996	Ireland	Social politics: Greater rights of the judiciary to refuse bail	2,659,895	29.2	74.7	25.2
Oct 30, 1997	Ireland	State institution: Slight deviation from the rule that cabinet discussions must remain confidential forever	2,688,316	47.2	52.6	47.4
May 22, 1998	Ireland	State institution: adoption of the Good Friday Agreement	2,747,088	56.3	94.4	5.6
June 11, 1999	Ireland	State institution: Constitutional recognition of the role of local government and specification that local elections must take place at least every five years	2,791,415	51.1	77.8	22.2
0June 9, 2001	Ireland	Constitution: Prohibition of the death penalty and removal of remuneration in the constitution	2,867,960	34.8	62.1	37.9
0June 9, 2001	Ireland	Foreign Policy: Adoption by the International Criminal Court	2,867,960	34.8	64.2	35.8
0June 9, 2001	Ireland	Europe: Adoption of the Nice Treaty	2,867,960	34.8	46.1 / 53.9
March 25, 2002	Ireland	Social politics: restricting the ability to have an abortion	2,923,918	42.9	49.6	50.4
Oct 19, 2002	Ireland	Europe: Adoption of the Nice Treaty	2,923,918	49.5	62.9	37.1
June 11, 2004	Ireland	Government Institution: Elimination of the automatic acquisition of citizenship at birth in the island of Ireland	3,041,688	59.9	79.2	20.8
June 12, 2008	Ireland	Europe: Constitutional amendment to allow the Lisbon Treaty to be adopted		53.1	46.6	53.4
0Oct 2, 2009	Ireland	, Constitutional amendment to the adoption of: Europe Lisbon Treaty to allow	3,041,688	59.9	79.2	20.8
May 22, 2015	Ireland	Constitutional referendum on same-sex marriage	3,206,151	60.52	62.07	37.93	Admission of same-sex marriage
May 25, 2018	Ireland	Constitutional amendment concerning the ban on abortion	3,367,556	64.13	66.40	33.60	Repeal of the constitutional article prohibiting abortion
Oct 28, 2018	Ireland	Constitutional amendment concerning the prohibition of blasphemy	3,401,652	43.79	64.85	35.15	Repeal of the constitutional article banning blasphemy
Apr 11, 1908	Iceland	Social policy: import ban on alcohol	11,726		60.1	39.9	Valid votes: 8,068
Oct 21, 1916	Iceland	Social policy: introduction of civil service	25,526	49.4	8.2	91.8
October 19, 1918	Iceland	Independence: Adoption of the Danish-Icelandic Union law	31,143	50.5	92.6	7.4
Oct 21, 1933	Iceland	Social policy: Abolition of the import ban on alcohol	62.122	45.3	57.7	2.3
May 20, 1944 to May 23, 1944	Iceland	Independence: repeal of the Union Act of 1918	74,272	98.4	99.5	0.5	Together with the question about the constitution
May 20, 1944 to May 23, 1944	Iceland	Constitution: Adoption of the draft constitution of the Republic of Iceland	74,272	98.4	98.5	1.5	Together with the question about the repeal of the Union law
0June 2, 1946	Italy	State institution: monarchy or republic	28.005.449	89.1	45.7	54.3	Italy became a republic
May 19, 1991	Croatia	independence	3,652,225	83.6	95.7	4.3
Jan. 22, 2012	Croatia	EU accession	4,504,765	43.5	66.7	33.3	Croatia's accession to the EU
0Dec. 1, 2013	Croatia	Gay marriage		37.9	65.9	33.5	Marriage as a life community between woman and man
0Sep 1 1923, Sep 2. 1923 0	Latvia	Social Policy: Transfer of Churches	963.257	21.4	99.7	0.3	Rejection due to insufficient participation (less than 50 percent)
Feb. 24, 1934, Feb. 25, 1934	Latvia	Social Policy: Social Insurance			93.2	6.8	Votes cast: 414,897. Rejection due to insufficient participation.
0March 3, 1991	Latvia	Independence: Whether you are in favor of the democratic and independent Republic of Latvia	1,902,802	87.6	74.9	25.1
0Oct 3, 1998	Latvia	State institution: Whether the children of non-citizens born in Latvia should be granted citizenship	1,341,873	69.2	46.1	53.9
Nov 13, 1999	Latvia	Social Policy: Law on Pensions	1,354,099	25.1	94.6	5.4
Sep 20 2003	Latvia	Europe: joining the EU	1.414.133	71.5	67.5	32.5	Accepted
0Feb 9, 1991	Lithuania	Independence: Independence of the Republic of Lithuania	2,652,738	84.7	93.2	6.8
May 23, 1992	Lithuania	State institution: restoration of the office of President	2,578,711	59.2	73.0	27.0	Rejected because only 41.0 percent of those entitled to vote voted yes
June 14, 1992	Lithuania	Foreign policy: withdrawal of the former Soviet troops	2,539,433	76.1	92.6	7.4
Oct 25, 1992	Lithuania	Constitution: adoption of the new constitution	2,549,952	75.3	78.2	21.8
Aug 27, 1994	Lithuania	Economy and finance: on illegal privatization and the devaluation of bank deposits	2,428,105	36.9	89.0	11.0	There were eight questions to vote, the data relates to the first.
Oct 20, 1996	Lithuania	State institution: Constitutional amendment to reduce the number of members of parliament	2,597,530	52.1	77.9	21.1	First question
Oct 20, 1996	Lithuania	State institution: Constitutional amendment on the date of parliamentary elections	2,597,530	52.1	76.2	22.4	Second question
Nov 10, 1996	Lithuania	State institution: Constitutional amendment on the allocation of at least 50 percent of the state income for social purposes	2,597,530	52.1	76.1	22.8	Third question
May 10, 2003, May 11, 2003	Lithuania	Europe: joining the EU	2,638,886	63.4	91.1	8.9
Oct 12, 2008	Lithuania	Question of the continued operation of the Ignalina nuclear power plant	2,696,090	48.4	91.4	8.6
28 Sep 1919	Luxembourg	State institution: form of government (republic or monarchy)	126.193	72.1	77.8 / 1.5 / 1.0 / 19.7		Majority votes for monarchy under the ruling Grand Duchess Charlotte
28 Sep 1919	Luxembourg	Economy and finance: Economic union with Belgium or France	126.193	72.1	73.0	27.0	Majority votes for economic union with France (later not implemented due to French rejection)
0June 6, 1937	Luxembourg	State institution: loi d'ordre on the dissolution of the communist party and other violent constitutional enemies	153,486		49.3	50.7	Valid votes: 142,671
July 10, 2005	Luxembourg	Europe: Vote on the Treaty for a European Constitution	245.092	90.4	56.5	43.5	Acceptance of the contract
0June 7, 2015	Luxembourg	Europe: Referendum on the right to vote for foreigners, lowering the voting age, limitation of the term of office of ministers	220.717	86.8	69.9-80.9	19.1-30.1	Rejection of all three legislative proposals (the three questions could be answered separately)
1870	Malta	State institution: Whether clergymen may be appointed to the government council	2,464	59.8	96.0	4.0
Feb. 11, 1956, Feb. 12, 1956	Malta	Independence: Question about the redefinition of relations between Malta and Great Britain	152.783	59.1	77.0	23.0
0May 2, 1964 to May 4, 1964 0	Malta	Independence: adoption of the constitution presented by the government	162,743	79.7	54.5	45.5
0March 8, 2003	Malta	Europe: joining the EU	297,881	90.9	53.6	46.4	Accepted
May 29, 2011	Malta	Social policy: enabling divorce	304,000		53.2		Not binding, but the government respected the result.
08 Sep 1991	Macedonia	independence	1,495,807	75.7	96.4	3.6
0Nov 7, 2004	Macedonia	Change of administrative boundaries	1,709,536	26.6	95.1	4.9	The consultative referendum was invalid due to insufficient participation.
Sep 30 2018	Macedonia	Change of state name	1,806,336	36.9	94.2	5.8	The consultative referendum was invalid due to insufficient participation.
0March 6, 1994	Moldova	independence	2.47.964	75.1	97.9	2.1	Consultative referendum
May 23, 1999	Moldova	State institution: introduction of a presidential system	2,382,457	58.3	64.2	35.8	Consultative referendum
May 21, 2006	Montenegro	independence	484.718	86.5	55.5	44.5	A majority voted for independence, ie the dissolution of the state association with Serbia.
0June 1, 2005	Netherlands	Europe: Adoption of the European draft constitution	12.172.740	63.3	38.5	61.5	Rejection of the draft law on the European Constitution
0Apr 6, 2016	Netherlands	Europe: Association Agreement between the EU and Ukraine	12,862,658	32.3	38.2	61.0	Not binding
March 21, 2018	Netherlands	Social Policy : News and Security Services Act 2017	13,064,932	51.5	46.5	49.4	Not binding
Aug 13, 1905	Norway	Independence: Whether the union with Sweden should be dissolved, after a parliamentary decision with a simple majority	435,376	85.4	100.0	0.0
Nov 12, 1905, Nov 13, 1905	Norway	State institution: Prince Karl of Denmark as King of Norway	439,748	75.3	78.9	21.1
0Oct. 5, 1919, Oct. 6, 1919 0	Norway	Social politics: Prohibition of alcohol	1,198,522	66.5	61.6	38.4
Oct 18, 1926	Norway	Social Policy: Maintaining Prohibition	1,482,724	64.8	44.3	55.7
Sep 24 1972, Sep 25 1972	Norway	Europe: joining the EEC	2,645,349	79.2	46.5	53.5	Majority rejected
Nov 27, 1994 to Nov 28, 1994	Norway	Europe: joining the EU	3,266,064	89.0	47.8	52.2	Majority rejected
0Nov. 5, 1978	Austria	Economy and finance: Commissioning of the Zwentendorf nuclear power plant	5,083,779	64.1	49.5	50.5	The power plant never went into operation.
June 12, 1994	Austria	Europe: joining the EU	5,790,578	82.3	66.6	33.4	It joined the following year, along with Sweden and Finland
June 30, 1946	Poland	State institution: abolition of the Senate	13.160.451	90.1	68.0	32.0	First question
June 30, 1946	Poland	Social policy: preservation of land reform and nationalization of the economy	13.160.451	90.1	77.2	22.8	Second question
June 30, 1946	Poland	Territory: For the consolidation of the Polish western borders on the Oder and Neisse	13.160.451	90.1	91.4	8.6	Third question
Nov 29, 1987	Poland	Economics and Finance: For supporting radical economic reforms	26.201.169	67.3	70.5	29.5	First question. Non-binding result, as only 44.4 percent of those entitled to vote voted yes
Nov 29, 1987	Poland	State institution: For a deep democratization of political life	26.201.169	67.3	73.7	26.3	Second question. Non-binding result, as only 46.3 percent of those entitled to vote voted yes
Feb. 18, 1996	Poland	Economy and finance: general property return	26.201.169	67.3	73.7	26.3	Not binding
Feb. 18, 1996	Poland	Economy and finance: Whether civil servants' pension claims should be paid for with the income from privatization	28,009,715	32.4	95.1	4.9	First question
Feb. 18, 1996	Poland	Economy and finance: Whether part of the proceeds from privatization should go to public pension funds	28,009,715	32.4	96.0	4.0	Second question
Feb. 18, 1996	Poland	Economy and Finance: Whether to increase the value of National Investment Fund stocks	28,009,715	32.4	23.2	76.8	Third question
Feb. 18, 1996	Poland	Economy and Finance: Whether to use privatization bonds in the property return program	28,009,715	32.4	91.3	8.7	Fourth question
May 25, 1997	Poland	Constitution	28,319,650	42.9	53.5	46.5
0June 7, 2003, June 8, 2003 0	Poland	Europe: joining the EU	29,864,969	58.9	77.6	22.6	Accepted
06 Sep 2015	Poland	Constitution, tax law: 3 questions on majority voting, party financing, tax law	30,565,826	7.8	between 17.4 and 94.5%	between 5.5 and 82.6%	invalid due to insufficient participation
March 19, 1933	Portugal	Constitution: adoption of a new constitution	1.330.258	97.7	99.5	0.5
June 28, 1998	Portugal	Social Policy: Liberalization of Abortion Law	8,496,089	31.9	49.1	50.9
0Nov 8, 1998	Portugal	State body: regionalization of mainland Portugal	8,640,026	48.1	36.5	63.5
Feb 11, 2007	Portugal	Social policy: Liberalization of pregnancy law (legalization within the first ten weeks)	8,814,016	43.6	59.3	40.7
0Dec 8, 1991	Romania	Constitution			79.1	20.9	10,948,468 votes cast
Oct 18, 2003	Romania	Constitution: constitutional reform	17,842,103	55.7	91.1	0.9
May 19, 2007	Romania	State institution: election of the current president	18.301.309	44.5	24.9	75.1
Nov 22, 2009	Romania	State institution: introduction of a unicameral system	18,293,277	51.0	77.8	22.2
Nov 22, 2009	Romania	State institution: Reduction of the parliamentary seats to 300	18,293,277	51.0	88.8	11.2
July 25, 1982	San Marino	Social Policy: Whether a San Marinese woman marrying a foreigner should stop losing her citizenship	21.004	69.8	42.7	57.3
22 Sep 1996	San Marino	State institution: Whether the state should stop paying for travel to the elections in San Marino	29,729	64.8	60.5	39.5
22 Sep 1996	San Marino	State institution: Whether the voter should be allowed to select up to three candidates from a list	29,729	64.7	62.8	37.2
22 Sep 1996	San Marino	State institution: Whether the voter should be allowed to select a maximum of three candidates from a list	29,729	64.7	65.0	35.0
22 Sep 1996	San Marino	State institution: Whether institutions and individuals should be banned from paying voters to travel to and from elections, and whether penalties should be increased	29,729	64.7	60.9	39.1
Oct 26, 1997	San Marino	State institution: Whether companies that trade in real estate should only be allowed to exist as stock corporations	29,932	46.4	88.1	11.9
0July 3, 2006	Serbia	Constitution	6,639,385	54.9	97.3	2.7
Aug 27, 1922	Sweden	Social politics: introduction of alcohol prohibition	3,302,483	55.1	49.0	51.0
Oct 16, 1955	Sweden	Social politics: introduction of legal relations	4,866,100	53.2	15.5	82.9
Oct 13, 1957	Sweden	Economy and finance: reform of the pension system	4,907,701	72.4	45.8 / 15.0 / 35.3		three suggestions
March 23, 1980	Sweden	Economy and finance: nuclear energy	6,321,165	75.6	18.9 / 39.1 / 38.7		three suggestions
Nov 13, 1994	Sweden	Europe: joining the EU	6,510,055	83.3	52.3	46.8
Sep 14 2003	Sweden	Europe: introduction of the euro	7,077,502	82.6	42.0	55.9
Oct 22, 1994	Slovakia	Economy and finance: disclosure of financial transactions in privatization	3,874,407	20.0	95.9	4.1	Invalid due to low number of votes
May 23, 1997, May 24, 1997	Slovakia	State institution and foreign policy: direct election of the president and membership of NATO	3,362,812	9.5			Declared as thwarted by the Central Referendum Commission because the Interior Ministry was unable to distribute enough correct ballot papers
25 Sep 1998, Sep 26 1998	Slovakia	Economy and finance: Ban on the privatization of strategically important state-owned companies	3,930,370	44.1	84.3	15.7	Invalid due to low vote
Nov 11, 2000	Slovakia	State institution: new elections	4,085,172	20.0	95.1	4.9	Invalid due to low vote
May 16, 2003, May 17, 2003	Slovakia	Europe: joining the EU	4,174,097	52.1	93.7	6.3	Valid because voter turnout is over 50%
0Apr 3, 2004	Slovakia	State institution: new elections	4,193,347	35.9	87.9	12.1	Invalid due to low vote
Sep 18 2010	Slovakia	State institution: six proposals, for example reducing the number of MPs		23.0			Invalid due to low vote
23 Dec 1990	Slovenia	independence	1,496,860	90.8	95.7	4.3
0Dec 8, 1996	Slovenia	State institution: proportional representation	1,537,529	37.9	15.9	45.0	First question, against all suggestions: 4.6
0Dec 8, 1996	Slovenia	State institution: electoral system with a compensatory factor	1,537,529	37.9	15.9	45.0	First question, against all suggestions: 4.6
0Dec 8, 1996	Slovenia	State institution: majority voting system in two rounds	1,537,529	37.9	49.3	26.5	Second question, against all proposals: 4.6
0Dec 8, 1996	Slovenia	State institution: proportional representation	1,537,529	37.9	49.3	26.5	Third question, against all proposals: 4.6
Jan. 10, 1999	Slovenia	Economy and finance: construction of a coal power plant	1,564,154	27.3	20.2	79.8
June 17, 2001	Slovenia	Social policy: artificial insemination approval for unmarried women	1,592,650	35.7	26.7	73.3
Jan. 19, 2003	Slovenia	Economy and finance: Whether the railway should remain uniform in terms of privatization	1,610,180	31.1	48.1	51.9
Jan. 19, 2003	Slovenia	Economy and finance: repayment of cable television fees	1,610,180	31.2	77.6	22.4
March 23, 2003	Slovenia	Europe: joining the EU	1,613,272	60.4	89.6	10.4	Majority approval for joining the EU
March 23, 2003	Slovenia	Foreign policy: joining NATO	1,613,272	60.4	66.1	33.9	Majority approval for joining NATO
21 Sep 2003	Slovenia	Economy and finance: Sunday shopping is limited to ten days a year	1,618,964	27.5	58.0	42.0
0Apr 4, 2004	Slovenia	State institution: full civil rights for the "deleted"	1,626,910	31.5	4.0	96.0
25 Sep 2005	Slovenia	State institution: expansion of political control over state broadcasting	1,644,270	30.7	50.7	49.3
Nov 11, 2007	Slovenia	Economy and finance: privatization of the country's largest insurer	1,720,152	57.9	28.9	71.1
Apr 22, 2008	Slovenia	State institution: regionalization of the country	1,692,600				In 12 of the 13 proposed provinces, voters voted yes
Dec 15, 1976	Spain	State institution: On the Political Reform Act on Transition to Parliamentary Democracy	22,644,290	77.7	97.4	2.6
0Dec 6, 1978	Spain	Constitution: Adoption of the 1978 Constitution	26,632,180	67.1	91.8	8.2
March 12, 1986	Spain	Foreign policy: joining NATO	29,025,494	59.4	56.9	43.1
Feb 20, 2005	Spain	Europe: Adoption of the European draft constitution	34,692,491	41.8	81.8	18.2
June 13, 2003, June 14, 2003	Czech Republic	Europe: joining the EU	8,259,525	55.2	77.3	22.7	Accepted
March 17, 1991	Ukraine	Independence: On the continuation of a renewed Soviet Union	37.732.178	83.5	71.5	28.5
March 17, 1991	Ukraine	Independence: About the membership of a sovereign Ukraine in a union of independent Soviet states	37,689,767	83.5	81.7	18.3
0Dec 1, 1991	Ukraine	Independence: Adoption of the Parliament's Independence Act of August 24, 1991	37,885,555	84.2	92.3	7.7	Adoption in all regions of the country
Apr 16, 2000	Ukraine	State institution: strengthening the rights of the president	36,629,926	81.1	85.9	14.1	First question
Apr 16, 2000	Ukraine	State institution: Limiting the immunity of MPs	36,629,926	81.1	90.2	9.8	Second question
Apr 16, 2000	Ukraine	State institution: Reduction of the parliament from 450 to 300 members	36,629,926	81.1	91.1	8.9	Third question
Apr 16, 2000	Ukraine	State institution: establishment of a bicameral system	36,629,926	81.1	82.9	17.1	Fourth question
Nov. 26, 1989	Hungary	State institution: Whether the president should be elected after the general election	7,799,059	58.0	50.1	49.9	First question
Nov. 26, 1989	Hungary	State Institution: Whether to withdraw communist party organizations from jobs	7,799,059	58.0	95.1	4.9	Second question
Nov. 26, 1989	Hungary	State institution: Whether the former state party MSZMP should be accountable for its owners	7,799,059	58.0	95.4	4.6	Third question
Nov. 26, 1989	Hungary	State institution: Whether the paramilitary organization of the MSZMP should be dissolved	7,799,059	58.0	94.9	5.1	Fourth question
July 29, 1990	Hungary	State institution: introduction of direct election of the president	7,820,161	14.0	85.9	14.1	Invalid due to low attendance
Nov 16, 1997	Hungary	Foreign policy: joining NATO	8,059,039	49.2	85.3	14.7
Apr 12, 2003	Hungary	Europe: joining the EU	8,042,272	45.6	83.8	16.2	Accepted
0Dec 5, 2004	Hungary	Refusal to privatize hospitals	8,048,737	37.5	65.0	35.0	First question
0Dec 5, 2004	Hungary	Citizenship for ethnic Hungarians residing abroad and having a foreign nationality	8,048,737	37.5	51.6	48.4	Second question
0March 9, 2008	Hungary	Whether inpatient care should be excluded from the daily rates in the hospital	8,040,125	50.5	84.1	15.9	First question
0March 9, 2008	Hungary	Whether family doctor treatment, dental treatment and special home care should be excluded from the consultation fees	8,040,125	50.5	82.4	17.6	Second question
0March 9, 2008	Hungary	Exemption from tuition fees for students in state higher education	8,040,125	50.5	82.2	17.8	Third question
0Oct 2, 2016	Hungary	Referendum on EU refugee quotas	8,272,625	44.3	1.7	98.3	invalid due to insufficient participation
May 14, 1995	Belarus	Social policy: equality of Russian with Belarusian	7,445,820	64.8	86.8	13.2	First question
May 14, 1995	Belarus	State institution: new national symbols	7,445,820	64.8	78.6	21.4	Second question
Oct 17, 2004	Belarus	State institution: Whether the president should be eligible for more than two terms of office	6,986,163	90.3	88.9	11.1
Apr 24, 2004	Cyprus	State institution: reunification of the two parts of the island, adoption of the Annan Plan	480.165	89.3	24.2	75.8

Individual evidence

1. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 137.
2. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 137.
3. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 137.
4. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 153, p. 162.
5. ↑ Time.com : "Belgium: Up in the air", March 20, 1950, accessed on September 19, 2010.
6. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 334.
7. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 532.
8. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 532.
9. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 532.
10. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 532.
11. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 533.
12. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 533.
13. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 533.
14. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 533.
15. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 533.
16. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 533.
17. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 533.
18. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 533.
19. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 534.
20. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 534.
21. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 534.
22. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 534.
23. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 534.
24. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 534.
25. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 534.
26. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 2056.
27. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 769.
28. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 770.
29. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 579.
30. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 579.
31. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 580.
32. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 580.
33. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 580.
34. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 580.
35. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 580.
36. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 580.
37. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 581.
38. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 613.
39. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 613.
40. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 683.
41. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 683.
42. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 683.
43. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 684.
44. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 684.
45. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 684.
46. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 684.
47. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 685.
48. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 685.
49. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 685.
50. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 685.
51. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 686.
52. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 686.
53. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 686.
54. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 686.
55. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 687.
56. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 687.
57. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 838.
58. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 838.
59. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 838.
60. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 838.
61. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 838.
62. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 2022.
63. ↑ UKReferendumresults ( Memento of the original from July 27, 2012 on WebCite ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. , Accessed on May 29, 2011. 
64. ↑ EU referendum. BBC News, accessed February 22, 2016 . 
65. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1005.
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94. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1008; Electionsireland.org: Referendum , accessed September 20, 2010.
95. ↑ Referendum on the Thirty-sixth Amendment of the Constitution Bill 2018. referendum.ie, archived from the original on May 28, 2018 ; accessed on May 26, 2018 (English). 
96. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 966.
97. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 966.
98. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 967.
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102. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1056.
103. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 414.
104. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1135.
105. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1135.
106. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1136.
107. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1136.
108. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1136.
109. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1136.
110. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1210.
111. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1210.
112. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1210.
113. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1210.
114. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1210.
115. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1211.
116. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1211.
117. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1211.
118. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1212.
119. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1252.
120. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1252.
121. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1252.
122. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1252.
123. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1305.
124. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1305.
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126. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1305.
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129. ↑ ПОРАНЕШНА ЈУГОСЛОВЕНСКА РЕПУБЛИКА МАКЕДОНИЈА РЕФЕРЕНДУМ, 7 НОЕМВРИ 2004. OSCE, accessed October 2, 2018 (Macedonian). 
130. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1339.
131. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1339.
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133. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1401.
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155. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1499.
156. ↑ Referendum Ogólnokrajowe 6 września 2015. Państwowa Komisja Wyborcza, accessed on November 21, 2015 (Polish). 
157. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 1551.
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226. ↑ National referendum October 2, 2016. Hungarian Electoral Commission, October 2, 2016, accessed on October 2, 2016 . 
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228. ↑ Dieter Nohlen, Philip Stöver (Ed.): Elections in Europe: A Data Handbook . Nomos, Baden-Baden 2010, p. 255.
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