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1 (National). Statutory national language (1987, Constitution (as amended), Article 18). 15,500,000 in Sri Lanka (2007). Population total all countries: 15,577,690.
1 (National). Statutory national language (1987, Constitution (as amended), Articles 22(1),24(1)), concentrated in North and East provinces; also in local administration and courts elsewhere. 3,770,000 in Sri Lanka (2007).
3 (Wider communication)
3 (Wider communication). De facto national working language, used in government. 10,000 in Sri Lanka (Crystal 2003).
Sri Lankan Creole Malay
4 (Educational). 46,000 (Ansaldo and Lim 2006), decreasing.
Sri Lankan Sign Language
6a (Vigorous). 12,800 deaf persons (Van Cleve 1986).
6b (Threatened). 30 in Sri Lanka (1992 P. Baker). No monolinguals. Ethnic population: 3,410.
8b (Nearly extinct)
8b (Nearly extinct). Ethnic population: 2,500 (2002).