These are the Canadian number-one albums of 1991. The chart was compiled and published by RPM every Saturday.

Issue date Album Artist January 12 To the Extreme Vanilla Ice January 19 The Immaculate Collection Madonna January 26 February 2 February 9 February 16 February 23 March 2 The Soul Cages Sting March 9 March 16 March 23 March 30 April 6 Road Apples The Tragically Hip April 13 April 20 Mariah Carey Mariah Carey April 27 May 4 Road Apples The Tragically Hip May 11 Out of Time R.E.M. May 18 May 25 June 1 June 8 June 15 June 22 June 29 July 6 Pornograffitti Extreme July 13 July 20 July 27 August 3 August 10 August 17 Unforgettable... with Love Natalie Cole August 24 August 31 September 7 September 14 Pornograffitti Extreme September 21 September 28 Metallica Metallica October 5 Use Your Illusion I and II Guns N' Roses October 12 October 19 Use Your Illusion II October 26 November 2 Waking Up the Neighbours Bryan Adams November 9 November 16 November 23 November 30 December 7 Mad Mad World Tom Cochrane December 14 Achtung Baby U2 December 21

See also List of Canadian number-one singles of 1991

References