Slovakia:
Slovak (official), Hungarian

Slovenia:
Slovenian 91%, Serbo-Croatian 6%, other 3%

Solomon Islands:
Melanesian pidgin in much of the country is lingua
franca, English spoken by 1%-2% of population

note: 120 indigenous languages

Somalia:
Somali (official), Arabic, Italian, English

South Africa:
11 official languages, including Afrikaans, English,
Ndebele, Pedi, Sotho, Swazi, Tsonga, Tswana, Venda, Xhosa, Zulu

Spain:
Castilian Spanish (official) 74%, Catalan 17%, Galician 7%,
Basque 2%

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), Nubian, Ta Bedawie, diverse dialects of
Nilotic, Nilo-Hamitic, Sudanic languages, English