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 2000, there were 17 singles that topped the chart. Although 18 singles claimed the top position in 53 issues of the magazine during the 2000 chart year, singer Santana`s "Smooth" began its run at peak position in 1999 and is thus excluded.