High Quality Content by WIKIPEDIA articles! The Billboard Hot 100 is a chart that ranks the best-performing singles of the United States. Published by Billboard magazine, the data are compiled by Nielsen SoundScan based collectively on each single`s weekly physical sales, and airplay. In 2003, there were 11 singles that topped the chart. Although 12 singles charted at number one in the 52 issues of the magazine, rapper Eminem`s "Lose Yourself" began its top position in late 2002, and is thus excluded.