Unofficially, thousands. Obviously, English, Welsh and Gaelic. Because immigration is open throughout the EU, there are many people who speak Polish, French, German, Italian, etc. There are also large populations of speakers of Hebrew as well as South-East Asian languages. There is also Chinatown, in London, with lots of Chinese speakers. There are some people who can speak local languages such as Cornish. There are many dialects of English spoken as well. For example, some words such as porkies (lies), butchers (look) and scarper (run/go) are commonly used in some areas, even though they originate from Cockney rhyming slang, which has long since died out.

This is a good question, the answer to which would surprise many people living around the world. Ignoring the many languages spoken in the UK by immigrants, there are several native languages of the British Isles, which are as follows: Cornish Spoken by around 2000 people in Cornwall, south-west England Gaelic (Irish) Spoken by 1.7 million in Ireland and around 100,000 in the UK (mostly Northern Ireland) Gaelic (Scottish) Spoken by around 60,000, mainly in the Outer Hebrides Manx Native language of the Isle of Man, it went extinct in the 1970s but has been revived and is now spoken by a few hundred people Welsh Spoken by 750,000 in Wales and England Norman/French (Guernésiais, Jèrriais and Sarkese) Spoken by a few thousand on the Channel Islands Many other native languages have since have gone extinct over the centuries. - - - Other languages spoken in the British Isles, which are not strictly-speaking native languages, include: English The most commonly spoken language of the British Isles. This is a mongrel language, a mix of Germanic (Saxon), Norman/French, Nordic and Old English, all brought to the Isles by various waves of invaders. Over time Modern English has superceded the native languages in most of the British Isles. Scots Germanic language, a variant of Old English, spoken in the Scottish lowlands; number of speakers unknown

English

Mainly English, although the barbarians in the north have their own incomprehensible tongue.

There are 14 native languages. http://www.ethnologue.com/show_country.asp?name=GB