Top-selling albums in the U.S. 2021

As of 2021, the top-selling album in the United States was '30' by Adele, with over 1.4 million unit sales.

Taylor Swift Claims Four Of The 10 Bestselling Albums Of 2021 As Adele Dominates

Album-equivalent unit - Wikipedia

Retail value of LP / EP shipments in the U.S. 2022

Audiobook revenue share in the U.S. by format 2018

Interest in German Schlager music Germany 2023

Time spent with music among U.S. tween and teens by platform 2015

Music sales hit new record thanks to surge in streaming

The Top 10 Best Selling Albums In The US Of All Time - That Eric Alper

Taylor Swift albums and songs sales - ChartMasters

Taylor Swift Earns Her Fourth No. 1 in 16 Months With New 'Red' - The New York Times

Most expensive vinyl records sold on Discogs 2020

Adele Is the World's Biggest Pop Star Despite Lagging '30' Album Sales

The Best Albums of 2021