Cameroon
total: 19.2 years
male: 19 years
female: 19.3 years (2009 est.)
Canada
total: 40.4 years
male: 39.3 years
female: 41.5 years (2009 est.)
Cape Verde
total: 21.1 years
male: 20.4 years
female: 21.9 years (2009 est.)
Cayman Islands
total: 38.1 years
male: 37.7 years
female: 38.6 years (2009 est.)
Central African Republic
total: 18.8 years
male: 18.5 years
female: 19.1 years (2009 est.)
Chad
total: 16.5 years
male: 15.3 years
female: 17.7 years (2009 est.)
Chile
total: 31.4 years
male: 30.4 years
female: 32.4 years (2009 est.)
China
total: 34.1 years
male: 33.5 years
female: 34.7 years (2009 est.)
Colombia
total: 27.1 years
male: 26.1 years
female: 28 years (2009 est.)
Comoros
total: 18.8 years
male: 18.5 years
female: 19.1 years (2009 est.)