Sri Lanka
Sinhala (official and national language) 74%, Tamil
(national language) 18%, other 8%
note: English is commonly used in government and is spoken
competently by about 10% of the population

Sudan
Arabic (official), English (official), Nubian, Ta Bedawie,
diverse dialects of Nilotic, Nilo-Hamitic, Sudanic languages
note: program of "Arabization" in process

Suriname
Dutch (official), English (widely spoken), Sranang Tongo
(Surinamese, sometimes called Taki-Taki, is native language of
Creoles and much of the younger population and is lingua franca
among others), Caribbean Hindustani (a dialect of Hindi), Javanese

Svalbard
Norwegian, Russian

Swaziland
English (official, government business conducted in
English), siSwati (official)

Sweden
Swedish (official), small Sami- and Finnish-speaking
minorities

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 (official) 0.5%,
other 2.8% (2000 census)
note: German, French, Italian, and Romansch are all national and
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