Native to:
Afghanistan,
Algeria,
Assam,
Bangladesh,
Benin,
Burkina,
Cape Verde,
Central African Repu,
Chad,
China South-Central,
China Southeast,
Djibouti,
East Himalaya,
Ethiopia,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
India,
Iran,
Ivory Coast,
Kenya,
Laos,
Malaya,
Mali,
Mauritania,
Morocco,
Myanmar,
Nepal,
Niger,
Nigeria,
Pakistan,
Senegal,
Sierra Leone,
Somalia,
Sri Lanka,
Sudan,
Tanzania,
Thailand,
Togo,
Uganda,
Vietnam,
West Himalaya,
Zaïre
Introduced into:
Andaman Is.,
Bahamas,
Belize,
Brazil North,
Cambodia,
Cayman Is.,
Chagos Archipelago,
Colombia,
Costa Rica,
Cuba,
Dominican Republic,
El Salvador,
Fiji,
Florida,
Gulf of Guinea Is.,
Haiti,
Jamaica,
Laccadive Is.,
Leeward Is.,
Malawi,
Marianas,
Mauritius,
Mexico Southeast,
Mozambique,
Puerto Rico,
Rodrigues,
Réunion,
Southwest Caribbean,
Taiwan,
Trinidad-Tobago,
Venezuela,
Windward Is.,
Zambia,
Zimbabwe