Native to:
Angola,
Assam,
Bangladesh,
Benin,
Bismarck Archipelago,
Bolivia,
Borneo,
Botswana,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burkina,
Burundi,
Cambodia,
Cameroon,
Cape Verde,
Central African Republic,
Chad,
China South-Central,
China Southeast,
Christmas I.,
Cocos (Keeling) Is.,
Comoros,
Congo,
Ecuador,
Equatorial Guinea,
Ethiopia,
Free State,
French Guiana,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Guyana,
Hainan,
India,
Ivory Coast,
Jawa,
Kenya,
Laos,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Malaya,
Mali,
Mauritania,
Mauritius,
Mozambique,
Myanmar,
Namibia,
New Guinea,
New South Wales,
Niger,
Nigeria,
Northern Provinces,
Peru,
Philippines,
Queensland,
Réunion,
Senegal,
Sierra Leone,
South China Sea,
Sri Lanka,
Sudan,
Sulawesi,
Taiwan,
Tanzania,
Thailand,
Togo,
Uganda,
Venezuela,
Vietnam,
West Himalaya,
Western Australia,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Alabama,
Chagos Archipelago,
Colombia,
Costa Rica,
Florida,
Georgia,
Honduras,
Leeward Is.,
Mexico Southeast,
Mexico Southwest,
Nansei-shoto,
Nauru,
New Caledonia,
Niue,
Northern Territory,
Puerto Rico,
Samoa,
South Carolina,
Virginia,
Windward Is.