This week's most popular songs across all genres, ranked by radio airplay audience impressions as measured by Nielsen Music, sales data as compiled by Nielsen Music. Billboard Hot 100 Year-End Top 100 Singles of 2014 Year-End Top 100 Songs of 2014. The Billboard Hot 100 is a chart that ranks the best-performing singles of the United States. Its data, published by Billboard magazine and compiled by Nielsen. The online extension of Billboard magazine, is the essential online destination for the music business. Learn more The Billboard Hot 100 is the music industry standard record chart in the United States for singles, published weekly by Billboard magazine. Chart rankings are based. Billboard Hot 100 - Top 100 Singles (December 20, 2014. enjoy!.