A Shih Tzu (UK: /ˌʃiːˈtsuː/, US: /ˈʃiːˌtsuː/; Chinese: 西施犬; pinyin: Xī Shī quǎn literally 'Xi Shi dog', also spelled Shittsu) is a toy dog breed, weighing from 4 to 7.25 kilograms (9–16 lb) when fully grown. The breed was developed in China. It is also recognized by the Fédération Cynologique Internationale for international competition in Companion and Toy Dog Group, Section 5, Tibetan breeds. In the United States, the Shih Tzu ranked the 15th most popular breed in 2013, falling slightly in popularity since 2012 when it was placed in 11th position. The UK Kennel Club survey puts the median lifespan of a Shih Tzu at 13 years and 2 months, with most living 10 to 16 years. The UK Kennel Club survey puts the median lifespan of a Shih Tzu at 13 years and 2 months, with most living 10 to 16 years.