Czech Republic
total: 38.6 years
male: 36.9 years
female: 40.5 years (2004 est.)

Denmark
total: 39.2 years
male: 38.3 years
female: 40.2 years (2004 est.)

Djibouti
total: 18.3 years
male: 18.8 years
female: 17.7 years (2004 est.)

Dominica
total: 29 years
male: 28.7 years
female: 29.4 years (2004 est.)

Dominican Republic
total: 23.7 years
male: 23.5 years
female: 23.9 years (2004 est.)

East Timor
total: 20 years
male: 20.1 years
female: 19.9 years (2004 est.)

Ecuador
total: 23 years
male: 22.5 years
female: 23.5 years (2004 est.)

Egypt
total: 23.4 years
male: 23 years
female: 23.8 years (2004 est.)

El Salvador
total: 21.4 years
male: 20.2 years
female: 22.5 years (2004 est.)

Equatorial Guinea
total: 18.7 years
male: 18.1 years
female: 19.4 years (2004 est.)