The first foreign language most commonly taught in schools in Britain is French, and the first foreign language most commonly taught in schools in France is English; those are also the languages perceived as "most useful to learn" in both countries. Queen Elizabeth II of the UK is fluent in French and does not require an interpreter when travelling to French-language countries. French is a substantial minority language and immigrant language in the United Kingdom, with over 100,000 French-born people in the UK. According to a 2006 European Commission report, 23% of UK residents are able to carry on a conversation in French and 39% of French residents are able to carry on a conversation in English. French is also an official language in both Jersey and Guernsey. Both use French to some degree, mostly in an administrative or ceremonial capacity. Jersey Legal French is the standardized variety used in Jersey. However, Norman (in its local forms, Guernésiais and Jèrriais) is the historical vernacular of the islands.