 In the United States , on the week ending October 24 , 2009 , " Tik Tok " debuted on the Billboard Hot 100 at number seventy @-@ nine . The song steadily climbed the chart and became the first number one of the new decade . On the week ending December 27 , 2009 , " Tik Tok " broke the record in the United States for the highest single week sales , selling 610 @,@ 000 digital downloads , the highest ever by a female artist since tracking began in 2003 and second highest overall , behind " Right Round " which sold 636 @,@ 000 copies on the chart dated February 28 , 2009 . The record would later be surpassed by Taylor Swift 's single " We Are Never Ever Getting Back Together " when it sold 623 @,@ 000 digital copies in its debut week in the week ending September 1 , 2012 . On the week ending February 6 , 2010 , the song topped the Billboard Pop Songs radio airplay chart registering 11 @,@ 224 spins , becoming , at the time , the most played song in the charts seventeen @-@ year history , breaking the record set of 10 @,@ 859 spins just a week earlier by Lady Gaga 's " Bad Romance " . The song topped the chart for a total of nine consecutive weeks and at the end of 2010 , " Tik Tok " was named the Hot 100 song of the year . It was also the seventh most played song on radio in the country and the eighth most downloaded song that year . The song has received 5 × Platinum certification by the Recording Industry Association of America for sales of 5 million units . As of March 2016 , " Tik Tok " had sold over 6 @.@ 8 million downloads in the US . 
