Native to:
Afghanistan,
Algeria,
Assam,
Bangladesh,
Benin,
Burkina,
Cambodia,
Cameroon,
Canary Is.,
Cape Verde,
Central African Republic,
Chad,
China South-Central,
China Southeast,
Congo,
Djibouti,
East Himalaya,
Egypt,
Eritrea,
Ethiopia,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Gulf States,
Hainan,
India,
Iran,
Ivory Coast,
Jawa,
Kenya,
Kuwait,
Laccadive Is.,
Laos,
Lebanon-Syria,
Libya,
Malawi,
Malaya,
Maldives,
Mali,
Mauritania,
Morocco,
Mozambique,
Myanmar,
Nepal,
Niger,
Nigeria,
Oman,
Pakistan,
Palestine,
Saudi Arabia,
Senegal,
Sierra Leone,
Sinai,
Socotra,
Somalia,
Sri Lanka,
Sudan,
Sulawesi,
Tanzania,
Thailand,
Tunisia,
Uganda,
Vietnam,
West Himalaya,
Western Sahara,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Andaman Is.,
Angola,
Argentina Northwest,
Aruba,
Bahamas,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil Southeast,
Brazil West-Central,
California,
Cayman Is.,
Colombia,
Comoros,
Costa Rica,
Cuba,
Dominican Republic,
El Salvador,
Fiji,
Florida,
Gilbert Is.,
Guatemala,
Haiti,
Hawaii,
Honduras,
Iraq,
Jamaica,
Leeward Is.,
Lesser Sunda Is.,
Marianas,
Mexico Central,
Mexico Southeast,
Mexico Southwest,
Netherlands Antilles,
New Guinea,
Nicaragua,
Northern Provinces,
Northern Territory,
Panamá,
Paraguay,
Philippines,
Phoenix Is.,
Puerto Rico,
Queensland,
Society Is.,
Solomon Is.,
South Australia,
Trinidad-Tobago,
Turks-Caicos Is.,
Venezuela,
Venezuelan Antilles,
Wake I.,
Western Australia,
Windward Is.