| Rank | Country | Median age |
96 | Kazakhstan | total: 30.2 years male: 28.7 years female: 31.9 years (2011 est.) |
196 | Kenya | total: 18.9 years male: 18.8 years female: 19 years (2011 est.) |
161 | Kiribati | total: 22.5 years male: 21.7 years female: 23.4 years (2011 est.) |
77 | Korea, North | total: 32.9 years male: 31.2 years female: 34.6 years (2011 est.) |
52 | Korea, South | total: 38.4 years male: 37 years female: 39.8 years (2011 est.) |
127 | Kosovo | total: 26.7 years male: 26.3 years female: 27.2 years (2011 est.) |
112 | Kuwait | total: 28.5 years male: 29.8 years female: 26.3 years (2011 est.) |
139 | Kyrgyzstan | total: 25 years male: 24.1 years female: 26 years (2011 est.) |
179 | Laos | total: 21 years male: 20.7 years female: 21.3 years (2011 est.) |
27 | Latvia | total: 40.6 years male: 37.6 years female: 43.7 years (2011 est.) |
103 | Lebanon | total: 29.8 years male: 28.7 years female: 31 years (2011 est.) |
154 | Lesotho | total: 22.9 years male: 22.8 years female: 22.9 years (2011 est.) |
203 | Liberia | total: 18.3 years male: 18.2 years female: 18.3 years (2011 est.) |
143 | Libya | total: 24.5 years male: 24.5 years female: 24.4 years (2011 est.) |
18 | Liechtenstein | total: 41.8 years male: 41.2 years female: 42.3 years (2011 est.) |
35 | Lithuania | total: 40.1 years male: 37.5 years female: 42.7 years (2011 est.) |
43 | Luxembourg | total: 39.4 years male: 38.4 years female: 40.4 years (2011 est.) |