This list is based on the Canadian Hot 100 , an evaluation of the official sales and airplay charts of Canada on behalf of the US American Billboard magazine .
There were 17 number one singles and 32 number one albums that year.
Singles
Albums
Rihanna feat. Calvin Harris - We Found Love
8 weeks (November 12, 2011 - January 6, 2012, a total of 11 weeks)
LMFAO - Sexy and I Know It
2 weeks (January 7th - January 20th)
Rihanna feat. Calvin Harris - We Found Love
3 weeks (January 21 - February 10, total of 11 weeks)
Carly Rae Jepsen - Call Me Maybe
2 weeks (February 11th - February 24th, 4 weeks in total)
Madonna feat. Nicki Minaj & MIA - Give Me All Your Luvin '
1 week (February 25th - March 2nd)
Katy Perry - Part of Me
1 week (March 3rd - March 9th)
Carly Rae Jepsen - Call Me Maybe
2 weeks (March 10th - March 23rd, 4 weeks in total)
Flo Rida feat. Sia - Wild Ones
2 weeks (March 24th - April 6th)
fun. feat. Janelle Monáe - We Are Young
1 week (April 7th - April 13th)
Justin Bieber - Boyfriend
1 week (April 14th - April 20th)
Gotye feat. Kimbra - Somebody That I Used to Know
6 weeks (April 21st - June 1st)
Maroon 5 feat. Wiz Khalifa - Payphone
8 weeks (June 2nd - July 27th)
Katy Perry - Wide Awake
1 week (July 28th - August 3rd, 3 weeks in total)
Flo Rida - Whistle
2 weeks (August 4th - August 17th)
Katy Perry - Wide Awake
2 weeks (August 18 - August 31, a total of 3 weeks)
Taylor Swift - We Are Never Ever Getting Back Together
1 week (September 1st - September 7th, 4 weeks in total)
Owl City & Carly Rae Jepsen - Good Time
1 week (September 8th - September 14th)
Taylor Swift - We Are Never Ever Getting Back Together
3 weeks (September 15 - October 5, 4 weeks in total)
Psy - Gangnam Style
7 weeks (October 6th - November 23rd)
Rihanna - Diamonds
4 weeks (November 24th - December 21st)
Bruno Mars - Locked Out of Heaven
3 weeks (December 22, 2012 - January 11, 2013)
Michael Bublé - Christmas
4 weeks (December 17, 2011 - January 13, 2012, a total of 5 weeks; → 2011 )
Adele - Jan.
5 weeks (January 14th - February 17th, a total of 35 weeks; → 2011 )
Leonard Cohen - Old Ideas
1 week (February 18 - February 24)
Adele - Jan.
4 weeks (February 25th - March 23rd, a total of 35 weeks)
Various interpreters - Star Académie 2012
1 week (March 24th - March 30th)
One Direction - Up All Night
1 week (March 31 - April 6, 2 weeks in total)
Lionel Richie - Tuskegee
1 week (April 7th - April 13th)
Madonna - MDNA
1 week (April 14th - April 20th)
Nicki Minaj - Pink Friday: Roman Reloaded
1 week (April 21 - April 27)
Adele - Jan.
1 week (April 28th - May 4th, a total of 35 weeks)
Jason Mraz - Love Is a Four Letter Word
1 week (May 5th - May 11th)
Jack White - Blunderbuss
1 week (May 12th - May 18th)
Carrie Underwood - Blown Away
Adele - Jan.
1 week (May 26th - June 1st, a total of 35 weeks)
Adam Lambert - Trespassing
1 week (June 2nd - June 8th)
John Mayer - Born and Raised
2 weeks (June 9th - June 22nd)
Adele - Jan.
1 week (June 23 - June 29, total of 35 weeks)
Rush - Clockwork Angels
1 week (June 30th - July 6th)
Justin Bieber - Believe
1 week (July 7th - July 13th, 2 weeks in total)
Linkin Park - Living Things
1 week (July 14th - July 20th)
Flo Rida - Wild Ones
1 week (July 21 - July 27, total of 2 weeks)
Zac Brown Band - Uncaged
1 week (July 28th - August 3rd)
Flo Rida - Wild Ones
1 week (August 4th - August 10th, 2 weeks in total)
One Direction - Up All Night
1 week (August 11th - August 17th, 2 weeks in total)
Rick Ross - God Forgives, I Don't
1 week (August 18 - August 24)
Justin Bieber - Believe
1 week (August 25 - August 31, 2 weeks in total)
Corb Lund - Cabin Fever
1 week (September 1st - September 7th)
Owl City - The Midsummer Station
1 week (September 8th - September 14th)
Alanis Morissette - Havoc and Bright Lights
1 week (September 15th - September 21st)
The Sheepdogs - The Sheepdogs
1 week (September 22nd - September 28th)
Billy Talent - Dead Silence
1 week (September 29th - October 5th)
Pink - The Truth About Love
1 week (October 6th - October 12th)
Mumford & Sons - Babel
3 weeks (October 13th - November 2nd, 4 weeks in total)
Jason Aldean - Night Train
1 week (November 3rd - November 9th)
Taylor Swift - Red
2 weeks (November 10th - November 23rd)
Celine Dion - Sans attendre
1 week (November 24th - November 30th)
One Direction - Take Me Home
1 week (December 1st - December 7th, 2 weeks in total)
Rihanna - Unapologetic
1 week (December 8th - December 14th)
Rod Stewart - Merry Christmas, baby
3 weeks (December 15, 2012 - January 4, 2013)
Web links
See also: Number one hits 2012 in Argentina , Australia , Belgium , Bulgaria , Denmark , Germany , Finland , France , Greece , Ireland , Italy , Japan , Mexico , New Zealand , the Netherlands , Norway , Austria , Poland , Portugal , Sweden , Switzerland , Slovakia , Spain , South Korea , Czech Republic , Hungary , the United States and the United Kingdom .
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