Despite being released in January 2011, Adele's 21 is the only album that has sold more that one million copies this year. At the midway point in 2012, Adele's sophomore album is the year's biggest seller in the U.S. 21 has sold 3.69 million copies according to Nielsen SoundScan; the only other album to come close to Adele's sales is Lionel Richie, whose album Tuskegee sold 912,000 copies.