1989 — Taylor Swift (2014)

1989 marked Taylor Swift’s decisive pivot to pure pop, generating three No. 1 singles — “Shake It Off,” “Blank Space,” and “Bad Blood” — and sweeping the Grammy Awards, including Album of the Year, her second win in that category. With over 10 million copies sold in its first year, it outperforms the average pop record by a factor of 30. Its synth-driven production and confessional songwriting set a benchmark that influenced a generation of artists, making it a defining album of the 2010s, though it still trails #1 Thriller in total sales by 60 million units.