January 1980 February 1980 March 1980

April 1980 May 1980 June 1980

July 1980 August 1980 September 1980

October 1980 November 1980 December 1980

Number One Single this time last year...

UK: -
US: Charts not yet in existence
Australia: Charts not yet in existence

Number One Single five years ago...

UK: -
US: Charts not yet in existence
Australia: Charts not yet in existence

Number One Single ten years ago...

UK: -
US: Charts not yet in existence
Australia: Charts not yet in existence

Number One Single 25 years ago...

UK: Run DMC vs Jason Nevins - It's Like That
US: Will Smith - Gettin' Jiggy Wit It
Australia: All Saints - Never Ever

Number One Single 50 years ago...

UK: Donny Osmond - The Twelfth Of Never
US: Roberta Flack - Killing Me Softly With His Song
Australia: Carly Simon - You're So Vain