Native to:
Afghanistan,
Aldabra,
Andaman Is.,
Angola,
Assam,
Bangladesh,
Benin,
Bismarck Archipelago,
Borneo,
Botswana,
Burkina,
Burundi,
Cambodia,
Cameroon,
Cape Provinces,
Central African Repu,
Chad,
China North-Central,
China South-Central,
China Southeast,
Christmas I.,
Cocos (Keeling) Is.,
Comoros,
Congo,
Djibouti,
East Himalaya,
Eritrea,
Ethiopia,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Gulf States,
Hainan,
India,
Ivory Coast,
Jawa,
Kazan-retto,
Kenya,
KwaZulu-Natal,
Laccadive Is.,
Laos,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Malaya,
Maldives,
Mali,
Maluku,
Mauritius,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
New Guinea,
Nicobar Is.,
Niger,
Nigeria,
Northern Provinces,
Ogasawara-shoto,
Oman,
Pakistan,
Philippines,
Rodrigues,
Rwanda,
Réunion,
Saudi Arabia,
Senegal,
Seychelles,
Sierra Leone,
Solomon Is.,
Somalia,
South China Sea,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Taiwan,
Tanzania,
Thailand,
Tibet,
Togo,
Uganda,
Vietnam,
West Himalaya,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Alabama,
Ascension,
Bahamas,
Belize,
Bermuda,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Caroline Is.,
Cayman Is.,
Central American Pac,
Chagos Archipelago,
Colombia,
Cook Is.,
Costa Rica,
Cuba,
Dominican Republic,
Ecuador,
El Salvador,
Fiji,
Florida,
French Guiana,
Galápagos,
Georgia,
Gilbert Is.,
Guatemala,
Guyana,
Haiti,
Hawaii,
Honduras,
Jamaica,
Leeward Is.,
Line Is.,
Marquesas,
Mexican Pacific Is.,
Mexico Northwest,
Mexico Southwest,
Mississippi,
Netherlands Antilles,
New Caledonia,
Nicaragua,
Northern Territory,
Panamá,
Paraguay,
Peru,
Phoenix Is.,
Puerto Rico,
Queensland,
Samoa,
South Carolina,
Suriname,
Texas,
Tokelau-Manihiki,
Tonga,
Trinidad-Tobago,
Tuamotu,
Tubuai Is.,
Tuvalu,
Vanuatu,
Venezuela,
Wallis-Futuna Is.,
Western Australia,
Windward Is.