Native to:
Aldabra,
Andaman Is.,
Angola,
Assam,
Bangladesh,
Benin,
Bismarck Archipelago,
Borneo,
Botswana,
Burkina,
Burundi,
Cabinda,
Cambodia,
Cameroon,
Caprivi Strip,
Caroline Is.,
Central African Republic,
Chad,
Chagos Archipelago,
China North-Central,
China South-Central,
China Southeast,
Christmas I.,
Cocos (Keeling) Is.,
Comoros,
Congo,
Cook Is.,
Djibouti,
DR Congo,
East Himalaya,
Eritrea,
Ethiopia,
Fiji,
Gabon,
Ghana,
Gilbert Is.,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Hainan,
India,
Ivory Coast,
Japan,
Jawa,
Kenya,
Laccadive Is.,
Laos,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Malaya,
Maldives,
Mali,
Maluku,
Marianas,
Marquesas,
Marshall Is.,
Mauritius,
Mozambique,
Mozambique Channel Is.,
Myanmar,
Namibia,
Nansei-shoto,
Nauru,
Nepal,
New Caledonia,
New Guinea,
Nicobar Is.,
Niger,
Nigeria,
Niue,
Northern Territory,
Oman,
Pakistan,
Philippines,
Pitcairn Is.,
Queensland,
Rodrigues,
Rwanda,
Réunion,
Samoa,
Santa Cruz Is.,
Saudi Arabia,
Senegal,
Seychelles,
Sierra Leone,
Society Is.,
Solomon Is.,
Somalia,
South China Sea,
Sri Lanka,
Sudan-South Sudan,
Sulawesi,
Sumatera,
Taiwan,
Tanzania,
Thailand,
Tibet,
Togo,
Tonga,
Tuamotu,
Tubuai Is.,
Tuvalu,
Uganda,
Vanuatu,
Vietnam,
Wallis-Futuna Is.,
West Himalaya,
Western Australia,
Yemen,
Zambia,
Zimbabwe
Introduced into:
Florida,
Line Is.