Djibouti
total: 18.1 years
male: 18.5 years
female: 17.8 years (2009 est.)
Dominica
total: 29.8 years
male: 29.4 years
female: 30.2 years (2009 est.)
Dominican Republic
total: 24.9 years
male: 24.8 years
female: 25.1 years (2009 est.)
Ecuador
total: 25 years
male: 24.4 years
female: 25.6 years (2009 est.)
Egypt
total: 24.8 years
male: 24.4 years
female: 25.2 years (2009 est.)
El Salvador
total: 22.5 years
male: 21.3 years
female: 23.6 years (2009 est.)
Equatorial Guinea
total: 18.9 years
male: 18.3 years
female: 19.6 years (2009 est.)
Eritrea
total: 18.4 years
male: 18 years
female: 18.8 years (2009 est.)
Estonia
total: 39.9 years
male: 36.5 years
female: 43.5 years (2009 est.)
Ethiopia
total: 16.9 years
male: 16.6 years
female: 17.2 years (2009 est.)