Native to:
Algeria,
Andaman Is.,
Angola,
Assam,
Bangladesh,
Benin,
Borneo,
Botswana,
Burkina,
Burundi,
Cameroon,
Cape Provinces,
Central African Repu,
Chad,
China South-Central,
China Southeast,
Congo,
East Himalaya,
Egypt,
Eritrea,
Ethiopia,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf States,
India,
Iran,
Iraq,
Ivory Coast,
Japan,
Jawa,
Kazakhstan,
Kenya,
Korea,
KwaZulu-Natal,
Laos,
Lesser Sunda Is.,
Madagascar,
Malawi,
Malaya,
Mali,
Maluku,
Mauritania,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
New Guinea,
Nicobar Is.,
Niger,
Nigeria,
Northern Provinces,
Oman,
Pakistan,
Philippines,
Saudi Arabia,
Senegal,
Sierra Leone,
Sinai,
Solomon Is.,
Somalia,
South European Russi,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Togo,
Uganda,
Vietnam,
West Himalaya,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Alabama,
Argentina Northeast,
Argentina Northwest,
Arkansas,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Colombia,
Costa Rica,
Cuba,
Ecuador,
El Salvador,
Florida,
Georgia,
Guatemala,
Guyana,
Honduras,
Illinois,
Lebanon-Syria,
Louisiana,
Mexico Central,
Mexico Gulf,
Mexico Southeast,
Mexico Southwest,
Mississippi,
Missouri,
Nicaragua,
Oklahoma,
Palestine,
Paraguay,
Peru,
South Carolina,
Tennessee,
Texas,
Trinidad-Tobago,
Uruguay,
Venezuela,
Windward Is.