The song became the biggest selling Motown release in the United States at the time, selling over two-million copies within the first six weeks of following its release. "Let's Get It On" also became the second best-selling single of 1973, only surpassed in sales by Tony Orlando & Dawn's "Tie a Yellow Ribbon Round the Ole Oak Tree". At the time, the single was Motown's largest-selling recording ever, selling over four-million copies in 1973 and 1974. The single has gone on to sell over 1 million copies, and, on June 25, 2007, was certified platinum in sales by the RIAA.