| Rank | Country | Median age |
115 | Iran | total: 26.4 years male: 26.2 years female: 26.7 years (2008 est.) |
169 | Iraq | total: 20.2 years male: 20.1 years female: 20.2 years (2008 est.) |
66 | Ireland | total: 34.6 years male: 33.9 years female: 35.4 years (2008 est.) |
25 | Isle of Man | total: 40 years male: 38.8 years female: 41.3 years (2008 est.) |
95 | Israel | total: 28.9 years male: 28.2 years female: 29.7 years (2008 est.) |
4 | Italy | total: 42.9 years male: 41.4 years female: 44.4 years (2008 est.) |
139 | Jamaica | total: 23.4 years male: 22.9 years female: 24 years (2008 est.) |
| Jan Mayen | void |
2 | Japan | total: 43.8 years male: 42.1 years female: 45.7 years (2008 est.) |
5 | Jersey | total: 42.3 years male: 41.6 years female: 43.1 years (2008 est.) |
135 | Jordan | total: 23.9 years male: 24.6 years female: 23.2 years (2008 est.) |
91 | Kazakhstan | total: 29.3 years male: 27.8 years female: 31.1 years (2008 est.) |
189 | Kenya | total: 18.6 years male: 18.5 years female: 18.8 years (2008 est.) |
165 | Kiribati | total: 20.6 years male: 20.1 years female: 21.1 years (2008 est.) |
73 | Korea, North | total: 32.7 years male: 31.2 years female: 34.2 years (2008 est.) |
57 | Korea, South | total: 36.4 years male: 35.3 years female: 37.4 years (2008 est.) |
| Kosovo | void |
116 | Kuwait | total: 26.1 years male: 28 years female: 22.6 years (2008 est.) |
133 | Kyrgyzstan | total: 24.2 years male: 23.3 years female: 25 years (2008 est.) |
176 | Laos | total: 19.2 years male: 18.9 years female: 19.5 years (2008 est.) |
27 | Latvia | total: 39.9 years male: 36.9 years female: 43 years (2008 est.) |
96 | Lebanon | total: 28.8 years male: 27.6 years female: 30 years (2008 est.) |
159 | Lesotho | total: 21.2 years male: 20.6 years female: 21.8 years (2008 est.) |
197 | Liberia | total: 18 years male: 17.8 years female: 18.2 years (2008 est.) |
137 | Libya | total: 23.6 years male: 23.7 years female: 23.5 years (2008 est.) |
21 | Liechtenstein | total: 40.5 years male: 40 years female: 41 years (2008 est.) |
37 | Lithuania | total: 39 years male: 36.4 years female: 41.6 years (2008 est.) |
38 | Luxembourg | total: 39 years male: 38 years female: 40 years (2008 est.) |
52 | Macau | total: 37 years male: 36.4 years female: 37.5 years (2008 est.) |
65 | Macedonia | total: 34.8 years male: 33.8 years female: 35.8 years (2008 est.) |
200 | Madagascar | total: 17.9 years male: 17.7 years female: 18.1 years (2008 est.) |
210 | Malawi | total: 16.8 years male: 16.7 years female: 16.8 years (2008 est.) |
129 | Malaysia | total: 24.6 years male: 24 years female: 25.3 years (2008 est.) |
192 | Maldives | total: 18.3 years male: 18.2 years female: 18.4 years (2008 est.) |
220 | Mali | total: 15.8 years male: 15.4 years female: 16.2 years (2008 est.) |
34 | Malta | total: 39.2 years male: 37.9 years female: 40.6 years (2008 est.) |
161 | Marshall Islands | total: 21 years male: 21 years female: 20.9 years (2008 est.) |