Native to:
Angola,
Assam,
Bangladesh,
Benin,
Borneo,
Burkina,
Cambodia,
Cape Verde,
Central African Repu,
Chad,
China North-Central,
China South-Central,
China Southeast,
Congo,
East Himalaya,
Ethiopia,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
India,
Inner Mongolia,
Ivory Coast,
Japan,
Jawa,
Kazan-retto,
Kenya,
Laos,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malaya,
Mali,
Maluku,
Manchuria,
Mauritania,
Mauritius,
Nansei-shoto,
Nepal,
New Guinea,
New South Wales,
Nicobar Is.,
Niger,
Nigeria,
Northern Territory,
Pakistan,
Philippines,
Queensland,
Réunion,
Senegal,
Seychelles,
Socotra,
Somalia,
South Australia,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Taiwan,
Tanzania,
Thailand,
Togo,
Uganda,
Vietnam,
West Himalaya,
Western Australia,
Zaïre
Introduced into:
Alabama,
Belize,
Costa Rica,
Cuba,
Florida,
France,
Georgia,
Guatemala,
Korea,
Louisiana,
Mexico Northwest,
Mississippi,
North Carolina,
South Carolina,
Tennessee,
Texas,
Venezuela,
Windward Is.