Native to:
Afghanistan,
Assam,
Bangladesh,
Benin,
Borneo,
Burkina,
Cambodia,
Cameroon,
Cape Verde,
Chad,
China South-Central,
China Southeast,
Christmas I.,
East Himalaya,
Egypt,
Eritrea,
Ethiopia,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf States,
Hainan,
India,
Iraq,
Ivory Coast,
Jawa,
Laccadive Is.,
Laos,
Lesser Sunda Is.,
Madagascar,
Malaya,
Maldives,
Mali,
Maluku,
Mauritania,
Myanmar,
Nansei-shoto,
Nepal,
New Guinea,
New South Wales,
Niger,
Nigeria,
Northern Territory,
Pakistan,
Philippines,
Queensland,
Saudi Arabia,
Senegal,
Sierra Leone,
Socotra,
South Australia,
South China Sea,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Taiwan,
Tanzania,
Thailand,
Vietnam,
West Himalaya,
Western Australia,
Yemen
Introduced into:
Alabama,
Andaman Is.,
Aruba,
Belize,
Bermuda,
Caroline Is.,
Cayman Is.,
Chagos Archipelago,
Colombia,
Comoros,
Cook Is.,
Costa Rica,
Cuba,
Dominican Republic,
El Salvador,
Fiji,
Florida,
Galápagos,
Georgia,
Guatemala,
Haiti,
Honduras,
Jamaica,
Kazan-retto,
Leeward Is.,
Louisiana,
Marianas,
Marquesas,
Maryland,
Mauritius,
Mexican Pacific Is.,
Mexico Gulf,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Nauru,
Netherlands Antilles,
New Caledonia,
New Jersey,
Nicaragua,
Nicobar Is.,
Niue,
Panamá,
Pennsylvania,
Puerto Rico,
Rodrigues,
Réunion,
Samoa,
Seychelles,
Society Is.,
Solomon Is.,
South Carolina,
Tokelau-Manihiki,
Trinidad-Tobago,
Venezuela,
Windward Is.