<page_title> List of best-selling albums in the United States </page_title> <section_title> More than or equal to 20 million copies </section_title> <table> <cell> Their Greatest Hits (1971–1975) <col_header> Album </col_header> </cell> <cell> Michael Jackson <col_header> Artist </col_header> </cell> <cell> Thriller <col_header> Album </col_header> </cell> </table>
Their Greatest Hits was the best-selling album in the United States, and it stayed the best-selling album in the U.S. for some years (1971–1975), until it was surpassed by Michael Jackson's Thriller.