| Rank | Country | Median age |
117 | Colombia | total: 28 years male: 27 years female: 28.9 years (2011 est.) |
195 | Comoros | total: 19 years male: 18.7 years female: 19.3 years (2011 est.) |
214 | Congo, Democratic Republic of the | total: 17.4 years male: 17.2 years female: 17.6 years (2011 est.) |
216 | Congo, Republic of the | total: 17 years male: 16.8 years female: 17.2 years (2011 est.) |
83 | Cook Islands | total: 32 years male: 31.3 years female: 32.7 years (2011 est.) |
| Coral Sea Islands | void |
109 | Costa Rica | total: 28.8 years male: 28.4 years female: 29.2 years (2011 est.) |
185 | Cote d'Ivoire | total: 19.6 years male: 19.7 years female: 19.5 years (2011 est.) |
20 | Croatia | total: 41.4 years male: 39.5 years female: 43.3 years (2011 est.) |
51 | Cuba | total: 38.4 years male: 37.6 years female: 39.2 years (2011 est.) |
| Curacao | void |
68 | Cyprus | total: 34.8 years male: 33.5 years female: 36.6 years (2011 est.) |
25 | Czech Republic | total: 40.8 years male: 39.2 years female: 42.5 years (2011 est.) |
24 | Denmark | total: 40.9 years male: 40 years female: 41.8 years (2011 est.) |
| Dhekelia | void |
167 | Djibouti | total: 21.8 years male: 20.2 years female: 23.1 years (2011 est.) |
88 | Dominica | total: 30.8 years male: 30.4 years female: 31.3 years (2011 est.) |