Her 12th studio album topped the IFPI's general albums chart, sales chart for physical releases and paid downloads, and vinyl sales chart, having been released in October 2025.
Swift, 36 broke her own record for the most physical records sold for the fourth consecutive year.
In the general albums chart, the US pop superstar beat country singer Morgan Wallen, whose album I'm The Problem was at number two, while the soundtrack to Netflix animated film K-pop Demon Hunters reached number three.
Completing the top five was Bad Bunny's Debi Tirar Mas Fotos, which won album of the year and best musica urbana album at the 2026 Grammy Awards, reaching number four, and Sabrina Carpenter's Short 'N' Sweet at number five, having been released in August 2024.
Victoria Oakley, chief executive of the IFPI, said: "Taylor Swift topping the IFPI global album rankings once again is a clear reflection of the strength of her connection with fans around the world.
"This year's results also show how truly global today's music market is, with success being driven across streaming and physical formats by artists from a wide range of countries and genres."
The rest of the albums chart top 10 was made up of K-pop act Stray Kids' Karma (six), SZA's SOS (seven), Billie Eilish's Hit Me Hard And Soft (eight), Lady Gaga's Mayhem (nine), and Japanese rock band Mrs Green Apple's 10 (10).
Bruno Mars' single APT with K-pop star Rose was named the best-selling track of 2025 globally.
Swift's 2025 album was her first since she announced her engagement to NFL star Travis Kelce in August and said in May she had regained control of her back catalogue.
Earlier in 2026 she released the music video for her single Opalite, which reached number one on the UK singles chart.
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