List of International Mathematical Olympiads

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The following list contains all the times, locations and numbers of participants for the International Mathematical Olympiads (IMO).

Previous venues

  • 21.-31. July 1959: Brașov , Romania (52 participants from 7 countries)
  • 18.-26. July 1960: Sinaia , Romania (39 participants from 5 countries)
  • 6-16 July 1961: Veszprém , Hungary (48 participants from 6 countries)
  • 7-15 July 1962: Budweis , Czechoslovakia (56 participants from 7 countries)
  • 5th - 13th July 1963: Wroclaw , Poland (64 participants from 8 countries)
  • June 30th – 10th July 1964: Moscow , Soviet Union (72 participants from 9 countries)
  • 3rd - 13th July 1965: Berlin , GDR (80 participants from 10 countries)
  • 1st - 14th July 1966: Sofia , Bulgaria (72 participants from 9 countries)
  • 2nd - 13th July 1967: Cetinje , Yugoslavia (99 participants from 13 countries)
  • 5th-18th July 1968: Moscow, Soviet Union (96 participants from 12 countries)
  • 5th - 20th July 1969: Bucharest , Romania (112 participants from 14 countries)
  • 8-22 July 1970: Keszthely , Hungary (112 participants from 14 countries)
  • 10-21 July 1971: Žilina , Czechoslovakia (115 participants from 15 countries)
  • 5th - 17th July 1972: Toruń , Poland (107 participants from 14 countries)
  • 5th-16th July 1973: Moscow, Soviet Union (125 participants from 16 countries)
  • 4th - 17th July 1974: Erfurt , GDR (140 participants from 18 countries)
  • 3rd-16th July 1975: Burgas , Bulgaria (135 participants from 17 countries)
  • 7-21 July 1976: Lienz , Austria (139 participants from 18 countries)
  • 1st - 13th July 1977: Belgrade , Yugoslavia (155 participants from 21 countries)
  • 3rd - 10th July 1978: Bucharest, Romania (132 participants from 17 countries)
  • June 30th – 9th July 1979: London , Great Britain (166 participants from 23 countries)
  • 8-20 July 1981: Washington , USA (185 participants from 27 countries)
  • 5th - 14th July 1982: Budapest , Hungary (119 participants from 30 countries)
  • 1st - 12th July 1983: Paris , France (186 participants from 32 countries)
  • June 29th – 10th July 1984: Prague , Czechoslovakia (192 participants from 34 countries)
  • June 29th-11th July 1985: Joutsa , Finland (209 participants from 38 countries)
  • 4th-15th July 1986: Warsaw , Poland (210 participants from 37 countries)
  • 5th-16th July 1987: Havana , Cuba (237 participants from 42 countries)
  • 9-21 July 1988: Canberra , Australia (268 participants from 49 countries)
  • 13.-24. July 1989: Braunschweig , FRG (291 participants from 50 countries)
  • 8-19 July 1990: Beijing , China (308 participants from 54 countries)
  • 12-23 July 1991: Sigtuna , Sweden (318 participants from 56 countries)
  • 10-21 July 1992: Moscow, Russia (322 participants from 56 countries)
  • 13.-24. July 1993: Istanbul , Turkey (413 participants from 73 countries)
  • 8-20 July 1994: Hong Kong (385 participants from 69 countries)
  • 13.-25. July 1995: Toronto , Canada (412 participants from 73 countries)
  • 5th - 17th July 1996: Mumbai , India (424 participants from 75 countries)
  • 18.-31. July 1997: Mar del Plata , Argentina (460 participants from 82 countries)
  • 10-21 July 1998: Taipei , Taiwan (419 participants from 76 countries)
  • 10-22 July 1999: Bucharest, Romania (450 participants from 81 countries)
  • 13.-25. July 2000: Taejon , Republic of Korea (461 participants from 31 countries)
  • 1st - 14th July 2001: Washington, USA (473 participants from 83 countries)
  • 19.-30. July 2002: Glasgow , Great Britain (479 participants from 84 countries)
  • 7-19 July 2003: Tokyo , Japan (457 participants from 82 countries)
  • 6-18 July 2004: Athens , Greece (486 participants from 85 countries)
  • 8-19 July 2005: Mérida , Mexico (513 participants from 91 countries)
  • 6-18 July 2006: Ljubljana , Slovenia (498 participants from 90 countries)
  • 19. – 31. July 2007: Hanoi , Vietnam (520 participants from 93 countries)
  • 10-22 July 2008: Madrid , Spain (535 participants from 97 countries)
  • 10-22 July 2009: Bremen , Germany (565 participants from 104 countries)
  • 2nd-14th July 2010: Astana , Kazakhstan (522 participants from 95 countries)
  • 12.-24. July 2011: Amsterdam , Netherlands (563 participants from 101 countries)
  • 4th-16th July 2012: Mar del Plata, Argentina (547 participants from 100 countries)
  • 18.-8. July 2013: Santa Marta , Colombia (527 participants from 97 countries)
  • 3rd - 13th July 2014: Cape Town , South Africa (560 participants from 101 countries)
  • 4th-16th July 2015: Chiang Mai , Thailand (577 participants from 104 countries)
  • 6-16 July 2016: Hong Kong, China (602 participants from 109 countries)
  • 12-23 July 2017: Rio de Janeiro , Brazil (615 participants from 111 countries)
  • 3rd-14th July 2018: Cluj-Napoca , Romania (594 participants from 107 countries)
  • 11-22 July 2019: Bath , Great Britain (621 participants from 112 countries)

Intended venues

Individual evidence

  1. ^ Gregor Dolinar: International Mathematical Olympiad. In: http://imo-official.org . Retrieved September 14, 2019 .