Tanzania
Kiswahili or Swahili (official), Kiunguja (name for Swahili
in Zanzibar), English (official, primary language of commerce,
administration, and higher education), Arabic (widely spoken in
Zanzibar), many local languages
note: Kiswahili (Swahili) is the mother tongue of the Bantu people
living in Zanzibar and nearby coastal Tanzania; although Kiswahili
is Bantu in structure and origin, its vocabulary draws on a variety
of sources including Arabic and English; it has become the lingua
franca of central and eastern Africa; the first language of most
people is one of the local languages
Thailand
Thai, English (secondary language of the elite), ethnic and
regional dialects
Timor-Leste
Tetum (official), Portuguese (official), Indonesian,
English
note: there are about 16 indigenous languages; Tetum, Galole,
Mambae, and Kemak are spoken by significant numbers of people
Togo
French (official and the language of commerce), Ewe and Mina
(the two major African languages in the south), Kabye (sometimes
spelled Kabiye) and Dagomba (the two major African languages in the
north)
Tokelau
Tokelauan (a Polynesian language), English
Tonga
Tongan, English
Trinidad and Tobago
English (official), Caribbean Hindustani (a
dialect of Hindi), French, Spanish, Chinese
Tunisia
Arabic (official and one of the languages of commerce),
French (commerce)
Turkey
Turkish (official), Kurdish, other minority languages
Turkmenistan
Turkmen 72%, Russian 12%, Uzbek 9%, other 7%