 Following its release , Fever reportedly sold over six million copies worldwide , becoming Minogue 's highest selling album , as of today . The album 's lead single " Can 't Get You Out of My Head " peaked atop charts in 40 countries and sold more than five million copies worldwide , becoming Minogue 's highest selling single to date and one of the best @-@ selling singles of all time . The song is notable for being Minogue 's biggest and strongest commercial breakthrough in the United States , a region in which Minogue previously had managed to achieve little success . It is also considered to be Minogue 's signature song . Due to the single 's commercial impact , the album enjoyed similar success in the United States and earned Minogue her only platinum album certification in the region . According to the IFPI , Fever was the thirtieth best @-@ selling album globally in the year 2002 . 
