 Internationally , the song achieved moderate charting due to its limited release . It was not released commercially throughout Europe , in order to give way for the album 's second single , Carey 's cover of Foreigner 's classic " I Want to Know What Love Is " . On July 26 , 2009 , the song debuted at number 26 on the Australian Singles Chart . " Obsessed " peaked at number 13 in the following weeks , placing higher than " Touch My Body " ( # 17 in 2008 ) , and spent a total of 13 weeks on the chart . " Obsessed " was certified Gold by the Australian Recording Industry Association ( ARIA ) , denoting shipments of over 35 @,@ 000 units . In France , " Obsessed " debuted at its peak position of number eight , during the week dated September 26 , 2009 . The song charted for a total of 23 weeks , before dropping out on February 27 , 2010 . Similarly , the song peaked at number six on the Italian Singles Chart on July 16 , as well as number 61 on the Dutch Top 40 on September 5 , 2009 . On both the Japan Hot 100 and New Zealand Singles Chart , " Obsessed " peaked at numbers 16 and 21 , while spending four weeks on both charts , respectively . In the United Kingdom , " Obsessed " was lined up to be released in August before the release of Memoirs of an Imperfect Angel , but was pushed back several times and was ultimately cancelled in October , despite receiving heavy radio and video airplay . After the album was released , the song peaked at number 52 from downloads alone . 
