Total Album Sales and Certified Units
Katy Perry has sold an estimated 143 million albums and singles worldwide as of the latest public industry estimates, with the bulk of her revenue coming from digital downloads, streaming equivalent albums, and physical shipments across major markets. Her catalog is tracked by the RIAA, IFPI, and national chart bodies, and her most recent studio albums continue to generate certified units in the United States and Europe Forbes.
Her best selling album remains Teenage Dream, which has been certified Diamond by the RIAA for over 10 million units in the United States alone, while Prism and Witness have each earned multi-platinum certifications based on combined sales and on-demand audio and video streams