<P> This is a list of the U.S. Billboard magazine Hot 100 number - ones of 1991 . The two longest running number - one singles of 1991 are `` ( Everything I Do ) I Do It for You '' by Bryan Adams and `` Black or White '' by Michael Jackson , which each attained seven weeks at number - one . `` Black or White '' stayed at the top of the chart for four weeks in 1991 and three additional weeks in 1992 , totaling seven weeks . </P>
<P> This is a list of the U.S. Billboard magazine Hot 100 number - ones of 1991 . The two longest running number - one singles of 1991 are `` ( Everything I Do ) I Do It for You '' by Bryan Adams and `` Black or White '' by Michael Jackson , which each attained seven weeks at number - one . `` Black or White '' stayed at the top of the chart for four weeks in 1991 and three additional weeks in 1992 , totaling seven weeks . </P>
number one song on the charts in 1991
number one song on the charts in 1991
( Everything I Do ) I Do It for You
( Everything I Do ) I Do It for You