Top - 100

: In November 1955, Billboard launched the first composite "Top 100" chart. It was eventually succeeded by the Billboard Hot 100 in 1958, which remains the definitive barometer for song popularity in the United States.

: Before 1955, music charts were fragmented, tracking jukebox plays, sheet music sales, and radio airtime separately. TOP 100

: In the same era (1955), Fortune magazine introduced the Fortune 500 , with the Fortune 100 —the list's elite top tier—becoming a symbol of corporate dominance. Why We Are Obsessed with "Top 100" Lists : In November 1955, Billboard launched the first