Michael sold more than 100 million records worldwide. His debut solo album, Faith, sold more than 20 million copies worldwide. Michael achieved seven number one singles in the UK and eight number one hits on the Billboard Hot 100 in the US, including "Careless Whisper" and "Freedom! '90". He ranks among the best-selling British acts of all time, and in 2008 he was ranked 40th on Billboard's list of the Greatest Hot 100 Artists of All Time.