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Music: Top 100 Songs | Billboard Hot 100 Chart | Billboard
Billboard’s decade-end recaps encompass chart performance from Dec. 5, 2009, through Sept. 28, 2019.
On decade-end Hot Songs and Top Albums recaps, titles are ranked based on an inverse point system, with weeks at No. 1 on weekly charts earning the greatest value and weeks at lower positions earning the least. Due to changes in chart methodology and title turnover rates over the decade, certain periods were weighted differently.