Djibouti
18 years of age; universal adult
Dominica
18 years of age; universal
Dominican Republic 18 years of age, universal and compulsory; married persons regardless of age note: members of the armed forces and police cannot vote
East Timor
17 years of age; universal
Ecuador
18 years of age; universal, compulsory for literate persons
ages 18-65, optional for other eligible voters
Egypt
18 years of age; universal and compulsory
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