Colombia
0-14 years: 28.9% (male 6,679,701/female 6,522,976)
15-64 years: 65.4% (male 14,571,536/female 15,297,179)
65 years and over: 5.6% (male 1,103,391/female 1,469,240) (2009 est.)

Comoros
0-14 years: 42.2% (male 159,282/female 158,073)
15-64 years: 54.8% (male 203,533/female 208,591)
65 years and over: 3.1% (male 10,474/female 12,485) (2009 est.)

Congo, Democratic Republic of the
0-14 years: 46.9% (male
16,161,301/female 16,038,024)
15-64 years: 50.6% (male 17,289,453/female 17,483,027)
65 years and over: 2.5% (male 699,667/female 1,021,070) (2009 est.)

Congo, Republic of the
0-14 years: 45.9% (male 927,599/female
915,540)
15-64 years: 51.2% (male 1,021,975/female 1,034,119)
65 years and over: 2.8% (male 46,687/female 66,889) (2009 est.)

Cook Islands
0-14 years: 27.1% (male 1,704/female 1,508)
15-64 years: 63.7% (male 3,898/female 3,664)
65 years and over: 9.2% (male 540/female 556) (2009 est.)

Costa Rica
0-14 years: 26.7% (male 581,916/female 555,216)
15-64 years: 67.1% (male 1,443,606/female 1,411,168)
65 years and over: 6.2% (male 120,969/female 141,002) (2009 est.)

Cote d'Ivoire
0-14 years: 40.6% (male 4,215,912/female 4,146,077)
15-64 years: 56.6% (male 5,942,642/female 5,720,108)
65 years and over: 2.9% (male 296,074/female 296,255) (2009 est.)

Croatia
0-14 years: 15.6% (male 358,360/female 340,098)
15-64 years: 67.5% (male 1,506,364/female 1,522,789)
65 years and over: 17% (male 295,960/female 465,838) (2009 est.)

Cuba
0-14 years: 18.3% (male 1,077,745/female 1,020,393)
15-64 years: 70.4% (male 4,035,691/female 4,030,103)
65 years and over: 11.2% (male 584,478/female 703,242) (2009 est.)

Cyprus
0-14 years: 19.1% (male 77,959/female 74,591)
15-64 years: 68.5% (male 276,890/female 269,267)
65 years and over: 12.3% (male 42,961/female 55,072) (2009 est.)