Compared to Aguilera's previous studio albums, Bionic had trouble in maintaining a consistent commercial performance in the international markets. On the week ending June 26, 2010, the album debuted at number three on the United States Billboard 200 (first-week sales of 110,000 copies). However, those first-week sales were comparatively less than those of Aguilera's previous studio album, Back to Basics (2006), which hit number one with 346,000 copies sold.The following week the album fell to number nine with sales of 36,388 copies. In its third week, Bionic dropped to number 22.It has since sold 280,000 copies in the United States according to Nielsen SoundScan.