Native to:
Afghanistan,
Angola,
Assam,
Bangladesh,
Benin,
Bismarck Archipelago,
Borneo,
Botswana,
Burkina,
Burundi,
Cambodia,
Cameroon,
Cape Provinces,
Cape Verde,
Central African Republic,
Chad,
China South-Central,
China Southeast,
Comoros,
Congo,
Djibouti,
East Himalaya,
Equatorial Guinea,
Eritrea,
Ethiopia,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Gulf States,
Hainan,
India,
Ivory Coast,
Jawa,
Kenya,
KwaZulu-Natal,
Laccadive Is.,
Laos,
Lesser Sunda Is.,
Madagascar,
Malawi,
Malaya,
Maldives,
Mali,
Mauritania,
Mauritius,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
New Guinea,
Niger,
Nigeria,
Northern Provinces,
Northern Territory,
Oman,
Pakistan,
Philippines,
Queensland,
Rodrigues,
Rwanda,
Réunion,
Saudi Arabia,
Senegal,
Sierra Leone,
Socotra,
Solomon Is.,
Somalia,
South China Sea,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Togo,
Uganda,
Vietnam,
West Himalaya,
Western Australia,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Alabama,
Andaman Is.,
Bahamas,
Belize,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Caroline Is.,
Cayman Is.,
Chagos Archipelago,
Christmas I.,
Cocos (Keeling) Is.,
Colombia,
Cook Is.,
Costa Rica,
Cuba,
Dominican Republic,
Ecuador,
Fiji,
Florida,
French Guiana,
Georgia,
Guyana,
Haiti,
Hawaii,
Jamaica,
Leeward Is.,
Marianas,
Mexico Southwest,
Nauru,
Netherlands Antilles,
New Caledonia,
Nicaragua,
Nicobar Is.,
Panamá,
Puerto Rico,
Samoa,
Seychelles,
Society Is.,
Southwest Caribbean,
Suriname,
Texas,
Tonga,
Trinidad-Tobago,
Vanuatu,
Venezuela,
Wallis-Futuna Is.,
Windward Is.