Invincible is Michael Jackson’s tenth studio album, released on October 30, 2001. It is also the last album to be released before his death on June 25, 2009. Similar to Jackson’s previous material, Invincible explores themes such as love, romance, isolation, media criticism, and social issues. The album peaked at number one in eleven territories worldwide, including the United States (with first-week sales of 363,000 units), the United Kingdom, Australia, France and Switzerland. Invincible charted within the top ten in six other territories; its least successful charting area was Mexico, where the album peaked at number 29. Total sales for the album are estimated to be at 10 million copies. Upon release, the album received mixed reviews from contemporary music critics.