El Salvador
18 years of age; universal
Equatorial Guinea
18 years of age; universal adult
Eritrea
18 years of age; universal
Estonia
18 years of age; universal for all Estonian citizens
Ethiopia
18 years of age; universal
European Union
18 years of age; universal
Falkland Islands (Islas Malvinas)
18 years of age; universal
Faroe Islands
18 years of age; universal
Fiji
21 years of age; universal
Finland
18 years of age; universal