<page_title> List of best-selling singles </page_title> <section_title> 15 million copies or more </section_title> <table> <cell> Elvis Presley <col_header> Artist </col_header> </cell> <cell> "It's Now or Never" <col_header> Single </col_header> </cell> <cell> 20 <col_header> Sales (in millions) </col_header> </cell> </table>
The single It's Now or Never is the best-selling single by Presley (20 million copies) and one of the best-selling singles.