This is a list of the best selling singles, albums and as according to IRMA. Further listings can be found here.

Top-selling singles "When We Collide" – Matt Cardle "Under Pressure (Ice Ice Baby)" – Jedward featuring Vanilla Ice "Horse Outside" – Rubberbandits "Love the Way You Lie" – Eminem featuring Rihanna "Only Girl (In the World)" – Rihanna "Just the Way You Are" – Bruno Mars "Fireflies" – Owl City "Telephone" – Lady Gaga featuring Beyoncé "Firework" – Katy Perry "California Gurls" – Katy Perry featuring Snoop Dogg

Top-selling albums Science & Faith – The Script Progress – Take That Crazy Love – Michael Bublé Loud - Rihanna The Fame/The Fame Monster – Lady Gaga Sigh No More – Mumford & Sons Sunny Side Up – Paolo Nutini Lungs – Florence & The Machine My World – Justin Bieber Glee: The Music, Volume 1 - Glee Cast

Notes: *Compilation albums are not included.

References