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1 (National). De facto national language. 58,200,000 in United Kingdom (Crystal 2003). Population total all countries: 334,800,758.
2 (Provincial). De facto provincial language in Wales. 508,000 in United Kingdom (1991 census), decreasing. 32,700 monolinguals (1971 census). Population total all countries: 536,890.
4 (Educational). 58,700 in United Kingdom (2003 census). Population total all countries: 63,130.
4 (Educational). 90,000 in United Kingdom (1999 B. Kay). 60,000 in Lallans, 30,000 in Doric. Population total all countries: 100,000.
British Sign Language
5 (Developing). 40,000 L1 users (Deuchar 1984) out of 909,000 deaf; majority probably have some degree of sign language competence (Deuchar 1977).
5 (Developing). 11,900 in United Kingdom (2001 census).
5 (Developing). 4,100 in United Kingdom (2004).
6a (Vigorous). 90,000 in United Kingdom (Hancock 1990). Population total all countries: 197,900.
6a (Vigorous). 4,000 in United Kingdom.
6b (Threatened). Of the 3 French dialects spoken on the Channel Islands, 2,870 speak Jèrriais on Jersey Island (for 110 people, it was their L1), 1,300 speak Dgernesiais (2001 census) and 20 speak Serquiais on Guernsey Island.
9 (Dormant). No known L1 speakers. Ethnic population: 469,000 (1991 census).
9 (Second language only)
9 (Second language only). No known L1 speakers.