Welsh is a Brittonic language of the Celtic language family. It is spoken natively in Wales, by some in England, and in Y Wladfa. Historically, it has also been known in English as "British", "Cambrian", "Cambric" and "Cymric".
According to the United Kingdom Census 2011, 19 percent of residents in Wales aged three and over were able to speak Welsh. According to the 2001 Census, 21 percent of the population aged 3+ were able to speak Welsh.