Switzerland
German (official) 63.7%, French (official) 20.4%,
Italian (official) 6.5%, Serbo-Croatian 1.5%, Albanian 1.3%,
Portuguese 1.2%, Spanish 1.1%, English 1%, Romansch 0.5%, other 2.8%
(2000 census)
note: German, French, Italian, and Romansch are all national
languages, but only the first three are official languages

Syria
Arabic (official); Kurdish, Armenian, Aramaic, Circassian
widely understood; French, English somewhat understood

Taiwan
Mandarin Chinese (official), Taiwanese (Min), Hakka dialects

Tajikistan
Tajik (official), Russian widely used in government and
business

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, and 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

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), Hindi, French, Spanish,
Chinese