Here is a list of World Languages. Where there is more than 1 listed, they are in order of 'highest percentage spoken'.
P
Pakistan - Urdu, English (both official); Punjabi, Sindhi, Siraiki (a Punjabi variant), Pashtu, Balochi, Hindko, Brahui, Burushaski, and others
Palau - Palauan, English, Sonsoralese, Tobi, Angaur (each official on some islands), Filipino, Chinese, Carolinian, Japanese, other Asian, other languages
Panama - Spanish (official), English, many bilingual
Papua New Guinea - Tok Pisin (Melanesian Pidgin, the lingua franca), Hiri Motu (in Papua region), English 1–2%; 715 indigenous languages
Paraguay – Spanish, GuaranÃ* (both official)
Peru - Spanish, Quéchua (both official); Aymara; many minor Amazonian languages
Philippines - Filipino (based on Tagalog), English (both official); eight major dialects: Tagalog, Cebuano, Ilocano, Hiligaynon or Ilonggo, Bicol, Waray, Pampango, and Pangasinense
Poland – Polish
Portugal – Portuguese (official), Mirandese (official, but locally used)
Q
Qatar – Arabic (official); English a common second language
R
Romania - Romanian (official), Hungarian, German
Russia – Russian, others
Rwanda - Kinyarwanda, French, and English (all official); Kiswahili in commercial centers
S
Saint Kitts and Nevis - English
Saint Lucia – English (official), French Patois
Saint Vincent and the Grenadines - English, French patois
Samoa – Samoan, English
San Marino - Italian
Sao Tome and Principe – Portuguese (official)
Saudi Arabia - Arabic
Scotland (U.K.) – English, Scottish (Celtic)
Senegal - French (official); Wolof, Pulaar, Jola, Mandinka
Serbia and Montenegro - Serbian (official); Romanian, Hungarian, Slovak, and Croatian (all official in Vojvodina); Albanian (official in Kosovo)
Seychelles - Seselwa Creole, English, French (all official)
Sierra Leone - English (official), Mende (southern vernacular), Temne (northern vernacular), Krio (lingua franca)
Singapore - Mandarin, English, Malay, Hokkien, Cantonese, Teochew , Tamil, other Chinese dialects, other
Slovakia - Slovak (official), Hungarian, Roma, Ukrainian
Slovenia - Slovenian, Serbo-Croatian
Solomon Islands - English 1%–2% (official), Melanesian pidgin (lingua franca), 120 indigenous languages
Somalia - Somali (official), Arabic, English, Italian
South Africa - IsiZulu, IsiXhosa, Afrikaans, Sepedi, English, Setswana, Sesotho, Xitsonga, other
Spain - Castilian Spanish (official nationwide); Catalan, Galician, Basque (each official regionally)
Sri Lanka - Sinhala (official and national), Tamil (national), other; English is commonly used in government and spoken competently by about 10%
Sudan - Arabic (official), Nubian, Ta Bedawie, diverse dialects of Nilotic, Nilo-Hamitic, Sudanic languages, English
Suriname - Dutch (official), Surinamese (lingua franca), English widely spoken, Hindustani, Javanese
Swaziland - English, siSwati (both official)
Sweden - Swedish, small Sami- and Finnish-speaking minorities
Switzerland - German, French, Italian (all official); Romansch (national)
Syria - Arabic (official); Kurdish, Armenian, Aramaic, Circassian widely understood; French, English somewhat understood
T
Taiwan - Chinese (Mandarin, official), Taiwanese (Min), Hakka dialects
Tajikistan - Tajik (official), Russian widely used in government and business
Tanzania - Swahili, English (both official); Arabic; many local languages
Thailand - Thai (Siamese), English (secondary language of the elite), ethnic and regional dialects
Togo - French (official, commerce); Ewé, Mina (south); Kabyé, Dagomba (north); and many dialects
Tonga - Tongan (an Austronesian language), English
Trinidad and Tobago - English (official), Hindi, French, Spanish, Chinese
Tunisia - Arabic (official, commerce), French (commerce)
Turkey - Turkish (official), Kurdish, Dimli, Azeri, Kabardian
Turkmenistan – Turkmen, Russian. Uzbek, other
Tuvalu - Tuvaluan, English, Samoan, Kiribati (on the island of Nui)
U
Uganda - English (official), Ganda or Luganda, other Niger-Congo languages, Nilo-Saharan languages, Swahili, Arabic
Ukraine - Ukrainian, Russian, Romanian, Polish, Hungarian
United Arab Emirates - Arabic (official), Persian, English, Hindi, Urdu
United Kingdom - English
United States – English, Spanish
Uruguay - Spanish, Portunol, or Brazilero
Uzbekistan - Uzbek, Russian, Tajik, other
V
Vanuatu - Bislama (a Melanesian pidgin English), English, French (all 3 official); more than 100 local languages
Vatican City (Holy See) - Italian, Latin, French, various other languages
Venezuela – Spanish (official), numerous indigenous dialects
Vietnam – Vietnamese (official); English (increasingly favoured as a second language); some French, Chinese, Khmer; mountain area languages (Mon-Khmer and Malayo-Polynesian)
W
Wales (U.K.) – Welsh; English
Y
Yemen - Arabic
Z
Zaire – French (official); many local dialects and languages including Swahili, Tshiluba, Kikongom Lingala.
Zambia - English (official); major vernaculars: Bemba, Kaonda, Lozi, Lunda, Luvale, Nyanja, Tonga; about 70 other indigenous languages
Zimbabwe - English (official), Shona, Ndebele (Sindebele), numerous minor tribal dialects