62 countries are endemic for lymphatic filariasis:
Endemic countries and under surveillance
- American Samoa
- Bangladesh
- Egypt
- Kiribati
- Malawi
- Palau
- Viet Nam
- Wallis and Futuna
- Yemen
Endemic countries with mass drug administration ongoing
- Angola
- Benin
- Brazil
- Brunei Darussalam
- Burkina Faso
- Cameroon
- Central African Republic
- Chad
- Comoros
- Congo
- Côte d’Ivoire
- Democratic Republic of the Congo
- Dominican Republic
- Eritrea
- Ethiopia
- Fiji
- French Polynesia
- Ghana
- Guinea
- Guinea-Bissau
- Guyana
- Haiti
- India
- Indonesia
- Kenya
- Lao People’s Democratic Republic
- Liberia
- Madagascar
- Malaysia
- Mali
- Micronesia (Federated States of)
- Mozambique
- Myanmar
- Nepal
- Niger
- Nigeria
- Papua New Guinea
- Philippines
- Samoa
- Senegal
- Sierra Leone
- Sudan
- Timor-Leste
- Tuvalu
- Uganda
- United Republic of Tanzania
- Zambia
- Zimbabwe
Endemic countries but mass drug administration has not started
- Equatorial Guinea
- Gabon
- New Caledonia
- São Tomé and Príncipe
- South Sudan