WList of number-one singles of 2011 (Australia)WList of number-one albums of 2011 (Australia)WList of Canadian Hot 100 number-one singles of 2011WList of number-one hits of 2011 (Germany)WList of number-one singles of 2011 (Ireland)WList of Gaon Album Chart number ones of 2011WList of number-one albums of 2011 (Mexico)WList of Dutch Top 40 number-one singles of 2011WList of number-one singles of 2011 (Poland)WList of number-one albums of 2011 (Spain)WList of UK top-ten singles in 2011WList of UK R&B Albums Chart number ones of 2011WList of UK Rock & Metal Albums Chart number ones of 2011WList of UK Rock & Metal Singles Chart number ones of 2011WList of UK top-ten albums in 2011WList of Billboard Adult Contemporary number ones of 2011WList of Billboard 200 number-one albums of 2011WList of Top Country Albums number ones of 2011WList of Hot Country Songs number ones of 2011WList of Billboard Dance Club Songs number ones of 2011WList of Billboard Hot 100 number ones of 2011WBillboard Year-End Hot 100 singles of 2011