Native to:
Andaman Is.,
Angola,
Assam,
Bangladesh,
Benin,
Burkina,
Burundi,
Cambodia,
Cameroon,
Central African Repu,
Chad,
China North-Central,
China South-Central,
China Southeast,
Congo,
East Himalaya,
Equatorial Guinea,
Ethiopia,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Hainan,
India,
Ivory Coast,
Kenya,
KwaZulu-Natal,
Laos,
Liberia,
Madagascar,
Malawi,
Mali,
Mozambique,
Myanmar,
Nicobar Is.,
Niger,
Nigeria,
Northern Provinces,
Pakistan,
Rwanda,
Senegal,
Sierra Leone,
Sri Lanka,
Sudan,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Togo,
Uganda,
Vietnam,
West Himalaya,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Belize,
Bismarck Archipelago,
Bolivia,
Borneo,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Caroline Is.,
Chagos Archipelago,
Colombia,
Cook Is.,
Costa Rica,
Cuba,
Ecuador,
Guyana,
Hawaii,
Honduras,
Jamaica,
Jawa,
Leeward Is.,
Lesser Sunda Is.,
Malaya,
Maluku,
Marianas,
Marquesas,
Marshall Is.,
Mauritius,
Mexico Gulf,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Nepal,
New Caledonia,
New Guinea,
Nicaragua,
Northern Territory,
Peru,
Seychelles,
Society Is.,
Solomon Is.,
South China Sea,
Sumatera,
Tonga,
Trinidad-Tobago,
Tuamotu,
Tubuai Is.,
Vanuatu,
Venezuela,
Western Australia,
Windward Is.