Vietnam:
Vietnamese (official), English (increasingly favored as a
second language), some French, Chinese, and Khmer; mountain area
languages (Mon-Khmer and Malayo-Polynesian)

Virgin Islands:
English (official), Spanish, Creole

Wallis and Futuna:
French, Wallisian (indigenous Polynesian language)

West Bank:
Arabic, Hebrew (spoken by Israeli settlers and many
Palestinians), English (widely understood)

Western Sahara:
Hassaniya Arabic, Moroccan Arabic

Yemen:
Arabic

Yugoslavia:
Serbian 95%, Albanian 5%

Zambia:
English (official), major vernaculars - Bemba, Kaonda, Lozi,
Lunda, Luvale, Nyanja, Tonga, and about 70 other indigenous languages

Zimbabwe:
English (official), Shona, Sindebele (the language of the
Ndebele, sometimes called Ndebele), numerous but minor tribal
dialects

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