Lady Gaga vs. Katy Perry | Global Album Sales Battle | 2008 - 2025 (Solo Songs Only)

A comparison of the global album sales (original album sales and equivalent album sales from solo songs only) of Lady Gaga and Katy Perry from 2008 to 2025, starting with One of the Boys and The Fame in 2008, up until Mayhem and 143 in 2025. Does not include equivalent album sales from collaborative tracks or tracks with featured artists. This is purely for anyone interested and not intended to discredit either artist or the featured artist(s).