<page_title> List of best-selling singles </page_title> <section_title> 6–6.99 million copies </section_title> <table> <cell> "The Lazy Song" <col_header> Single </col_header> </cell> <cell> 2011 <col_header> Released </col_header> </cell> <cell> 6.5 <col_header> Sales (in millions) </col_header> </cell> </table>
The Lazy Song was the best selling single of 2011 with sales of 6.5 million copies.