Stats: Hilary Duff worldwide album sales

Hilary Duff: 4.000.000

Most Wanted: 3.000.000

Dignity: 1.100.000

Best Of: 500.000

Queen :duca: source

Note: Santa Claus Lane was certified Gold in the US (500,000), the first Lizzie McGuire album platinum (1,000,000) and the movie soundtrack 2x platinum (2,000,000).