Comoros
total: 18.61 years
male: 18.35 years
female: 18.87 years (2005 est.)

Congo, Democratic Republic of the
total: 15.8 years
male: 15.4 years
female: 16.2 years (2005 est.)

Congo, Republic of the
total: 20.7 years
male: 20.2 years
female: 21.1 years (2005 est.)

Costa Rica
total: 26.03 years
male: 25.59 years
female: 26.5 years (2005 est.)

Cote d'Ivoire
total: 19.05 years
male: 19.36 years
female: 18.76 years (2005 est.)

Croatia
total: 39.97 years
male: 38.01 years
female: 41.76 years (2005 est.)

Cuba
total: 35.36 years
male: 34.73 years
female: 35.98 years (2005 est.)

Cyprus
total: 34.68 years
male: 33.64 years
female: 35.7 years (2005 est.)

Czech Republic
total: 38.97 years
male: 37.2 years
female: 40.82 years (2005 est.)

Denmark
total: 39.47 years
male: 38.55 years
female: 40.4 years (2005 est.)