6,380,000 in Tajikistan (2012 UNSD). Ethnic population: 6,370,000 (2010 census). Total users in all countries: 7,861,450.
1 (National). Statutory national language (1994, Constitution, Article 2).
4 groups of small dialects; no distinct boundaries. Dialect blending into Dari Persian [prs] in Afghanistan.
SOV; verb affixes mark person, number; tense and aspect; causatives; 27 consonant and 6 vowel phonemes; nono-tonal; stress on final syllable.