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| Field Listing :: Median age | 
| This entry is the age that divides a population into two numerically equal groups; that is, half the people are younger than this age and half are older. It is a single index that summarizes the age distribution of a population. Currently, the median age ranges from a low of about 15 in Uganda and Gaza Strip to 40 or more in several European countries and Japan. See the entry for "Age structure" for the importance of a young versus an older age structure and, by implication, a low versus a higher median age. | |
Country  | 
    
    Median age(years) | 
|---|
| Afghanistan | 
      
        total: 18 years 
       male: 17.9 years female: 18 years (2010 est.)  | 
        
| Albania | 
      
        total: 30.2 years 
       male: 29.6 years female: 31 years (2010 est.)  | 
        
| Algeria | 
      
        total: 27.1 years 
       male: 26.8 years female: 27.3 years (2010 est.)  | 
        
| American Samoa | 
      
        total: 23.4 years 
       male: 23.3 years female: 23.6 years (2010 est.)  | 
        
| Andorra | 
      
        total: 39.9 years 
       male: 40.2 years female: 39.6 years (2010 est.)  | 
        
| Angola | 
      
        total: 18 years 
       male: 18 years female: 18 years (2010 est.)  | 
        
| Anguilla | 
      
        total: 33 years 
       male: 31.6 years female: 34.3 years (2010 est.)  | 
        
| Antigua and Barbuda | 
      
        total: 30 years 
       male: 28.5 years female: 31.4 years (2010 est.)  | 
        
| Argentina | 
      
        total: 30.3 years 
       male: 29.2 years female: 31.3 years (2010 est.)  | 
        
| Armenia | 
      
        total: 31.9 years 
       male: 29.1 years female: 34.7 years (2010 est.)  | 
        
| Aruba | 
      
        total: 38 years 
       male: 36.2 years female: 39.7 years (2010 est.)  | 
        
| Australia | 
      
        total: 37.5 years 
       male: 36.8 years female: 38.3 years (2010 est.)  | 
        
| Austria | 
      
        total: 42.6 years 
       male: 41.5 years female: 43.6 years (2010 est.)  | 
        
| Azerbaijan | 
      
        total: 28.5 years 
       male: 26.9 years female: 30.3 years (2010 est.)  | 
        
| Bahamas, The | 
      
        total: 29.9 years 
       male: 28.8 years female: 31 years (2010 est.)  | 
        
| Bahrain | 
      
        total: 30.4 years 
       male: 33.5 years female: 27.1 years (2010 est.)  | 
        
| Bangladesh | 
      
        total: 23.5 years 
       male: 23.2 years female: 23.8 years (2010 est.)  | 
        
| Barbados | 
      
        total: 36.2 years 
       male: 35.1 years female: 37.2 years (2010 est.)  | 
        
| Belarus | 
      
        total: 38.8 years 
       male: 35.8 years female: 41.8 years (2010 est.)  | 
        
| Belgium | 
      
        total: 42 years 
       male: 40.7 years female: 43.3 years (2010 est.)  | 
        
| Belize | 
      
        total: 20.7 years 
       male: 20.5 years female: 20.9 years (2010 est.)  | 
        
| Benin | 
      
        total: 17.3 years 
       male: 16.9 years female: 17.8 years (2010 est.)  | 
        
| Bermuda | 
      
        total: 41.6 years 
       male: 40.2 years female: 43.1 years (2010 est.)  | 
        
| Bhutan | 
      
        total: 24.3 years 
       male: 25 years female: 23.7 years (2010 est.)  | 
        
| Bolivia | 
      
        total: 22.2 years 
       male: 21.5 years female: 22.9 years (2010 est.)  | 
        
| Bosnia and Herzegovina | 
      
        total: 40.3 years 
       male: 39.1 years female: 41.5 years (2010 est.)  | 
        
| Botswana | 
      
        total: 22 years 
       male: 21.8 years female: 22.1 years (2010 est.)  | 
        
| Brazil | 
      
        total: 28.9 years 
       male: 28.1 years female: 29.7 years (2010 est.)  | 
        
| British Virgin Islands | 
      
        total: 32.6 years 
       male: 32.7 years female: 32.5 years (2010 est.)  | 
        
| Brunei | 
      
        total: 28.1 years 
       male: 28 years female: 28.2 years (2010 est.)  | 
        
| Bulgaria | 
      
        total: 41.6 years 
       male: 39.4 years female: 43.9 years (2010 est.)  | 
        
| Burkina Faso | 
      
        total: 16.8 years 
       male: 16.6 years female: 17 years (2010 est.)  | 
        
| Burma | 
      
        total: 26.5 years 
       male: 26 years female: 27.1 years (2010 est.)  | 
        
| Burundi | 
      
        total: 16.8 years 
       male: 16.5 years female: 17.2 years (2010 est.)  | 
        
| Cambodia | 
      
        total: 22.5 years 
       male: 21.8 years female: 23.2 years (2010 est.)  | 
        
| Cameroon | 
      
        total: 19.3 years 
       male: 19.2 years female: 19.4 years (2010 est.)  | 
        
| Canada | 
      
        total: 40.7 years 
       male: 39.6 years female: 41.8 years (2010 est.)  | 
        
| Cape Verde | 
      
        total: 22.3 years 
       male: 21.4 years female: 23.1 years (2010 est.)  | 
        
| Cayman Islands | 
      
        total: 38.4 years 
       male: 38 years female: 38.9 years (2010 est.)  | 
        
| Central African Republic | 
      
        total: 19.1 years 
       male: 18.7 years female: 19.5 years (2010 est.)  | 
        
| Chad | 
      
        total: 16.6 years 
       male: 15.5 years female: 17.8 years (2010 est.)  | 
        
| Chile | 
      
        total: 31.7 years 
       male: 30.7 years female: 32.8 years (2010 est.)  | 
        
| China | 
      
        total: 35.2 years 
       male: 34.5 years female: 35.8 years (2010 est.)  | 
        
| Colombia | 
      
        total: 27.6 years 
       male: 26.7 years female: 28.6 years (2010 est.)  | 
        
| Comoros | 
      
        total: 18.9 years 
       male: 18.6 years female: 19.2 years (2010 est.)  | 
        
| Congo, Democratic Republic of the | 
      
        total: 16.5 years 
       male: 16.3 years female: 16.7 years (2010 est.)  | 
        
| Congo, Republic of the | 
      
        total: 16.9 years 
       male: 16.7 years female: 17.2 years (2010 est.)  | 
        
| Cook Islands | 
      
        total: 31.2 years 
       male: 30.5 years female: 31.9 years (2010 est.)  | 
        
| Costa Rica | 
      
        total: 28.4 years 
       male: 27.9 years female: 28.9 years (2010 est.)  | 
        
| Cote d'Ivoire | 
      
        total: 19.4 years 
       male: 19.6 years female: 19.3 years (2010 est.)  | 
        
| Croatia | 
      
        total: 41.2 years 
       male: 39.3 years female: 43 years (2010 est.)  | 
        
| Cuba | 
      
        total: 37.8 years 
       male: 37.1 years female: 38.6 years (2010 est.)  | 
        
| Cyprus | 
      
        total: 34.5 years 
       male: 33.2 years female: 36.3 years (2010 est.)  | 
        
| Czech Republic | 
      
        total: 40.4 years 
       male: 38.9 years female: 42.2 years (2010 est.)  | 
        
| Denmark | 
      
        total: 40.7 years 
       male: 39.8 years female: 41.6 years (2010 est.)  | 
        
| Djibouti | 
      
        total: 21.4 years 
       male: 19.8 years female: 22.8 years (2010 est.)  | 
        
| Dominica | 
      
        total: 30.3 years 
       male: 29.8 years female: 30.8 years (2010 est.)  | 
        
| Dominican Republic | 
      
        total: 25.2 years 
       male: 25 years female: 25.3 years (2010 est.)  | 
        
| Ecuador | 
      
        total: 25.3 years 
       male: 24.7 years female: 25.9 years (2010 est.)  | 
        
| Egypt | 
      
        total: 24 years 
       male: 23.8 years female: 24.3 years (2010 est.)  | 
        
| El Salvador | 
      
        total: 23.9 years 
       male: 22.5 years female: 25.3 years (2010 est.)  | 
        
| Equatorial Guinea | 
      
        total: 19 years 
       male: 18.4 years female: 19.6 years (2010 est.)  | 
        
| Eritrea | 
      
        total: 18.5 years 
       male: 18.2 years female: 18.9 years (2010 est.)  | 
        
| Estonia | 
      
        total: 40.2 years 
       male: 36.7 years female: 43.7 years (2010 est.)  | 
        
| Ethiopia | 
      
        total: 16.8 years 
       male: 16.5 years female: 17.2 years (2010 est.)  | 
        
| European Union | note - see individual country entries of member states (2009 est.) | 
| Faroe Islands | 
      
        total: 37.1 years 
       male: 36.5 years female: 37.9 years (2010 est.)  | 
        
| Fiji | 
      
        total: 25.8 years 
       male: 25.3 years female: 26.4 years (2010 est.)  | 
        
| Finland | 
      
        total: 42.3 years 
       male: 40.7 years female: 44 years (2010 est.)  | 
        
| France | 
      
        total: 39.7 years 
       male: 38.2 years female: 41.2 years (2010 est.)  | 
        
| French Polynesia | 
      
        total: 29.5 years 
       male: 29.8 years female: 29.2 years (2010 est.)  | 
        
| Gabon | 
      
        total: 18.6 years 
       male: 18.4 years female: 18.9 years (2010 est.)  | 
        
| Gambia, The | 
      
        total: 18 years 
       male: 17.9 years female: 18.2 years (2010 est.)  | 
        
| Gaza Strip | 
      
        total: 17.5 years 
       male: 17.4 years female: 17.7 years (2010 est.)  | 
        
| Georgia | 
      
        total: 38.8 years 
       male: 36.3 years female: 41.3 years (2010 est.)  | 
        
| Germany | 
      
        total: 44.3 years 
       male: 43 years female: 45.6 years (2010 est.)  | 
        
| Ghana | 
      
        total: 21.1 years 
       male: 20.8 years female: 21.3 years (2010 est.)  | 
        
| Gibraltar | 
      
        total: 33.1 years 
       male: 32.2 years female: 34.1 years (2010 est.)  | 
        
| Greece | 
      
        total: 42.2 years 
       male: 41.1 years female: 43.2 years (2010 est.)  | 
        
| Greenland | 
      
        total: 33.5 years 
       male: 34.9 years female: 31.9 years (2010 est.)  | 
        
| Grenada | 
      
        total: 28.2 years 
       male: 28.2 years female: 28.2 years (2010 est.)  | 
        
| Guam | 
      
        total: 29.3 years 
       male: 28.9 years female: 29.7 years (2010 est.)  | 
        
| Guatemala | 
      
        total: 19.7 years 
       male: 19.1 years female: 20.4 years (2010 est.)  | 
        
| Guernsey | 
      
        total: 42.7 years 
       male: 41.8 years female: 43.5 years (2010 est.)  | 
        
| Guinea | 
      
        total: 18.5 years 
       male: 18.3 years female: 18.8 years (2010 est.)  | 
        
| Guinea-Bissau | 
      
        total: 19.4 years 
       male: 18.8 years female: 19.9 years (2010 est.)  | 
        
| Guyana | 
      
        total: 23.6 years 
       male: 22.9 years female: 24.3 years (2010 est.)  | 
        
| Haiti | 
      
        total: 20.5 years 
       male: 20 years female: 20.9 years (2010 est.)  | 
        
| Honduras | 
      
        total: 20.7 years 
       male: 20.3 years female: 21.1 years (2010 est.)  | 
        
| Hong Kong | 
      
        total: 42.8 years 
       male: 42.4 years female: 43.2 years (2010 est.)  | 
        
| Hungary | 
      
        total: 39.7 years 
       male: 37.5 years female: 42.2 years (2010 est.)  | 
        
| Iceland | 
      
        total: 35.4 years 
       male: 34.9 years female: 35.8 years (2010 est.)  | 
        
| India | 
      
        total: 25.9 years 
       male: 25.4 years female: 26.6 years (2010 est.)  | 
        
| Indonesia | 
      
        total: 27.9 years 
       male: 27.4 years female: 28.4 years (2010 est.)  | 
        
| Iran | 
      
        total: 27.6 years 
       male: 27.4 years female: 27.8 years (2010 est.)  | 
        
| Iraq | 
      
        total: 20.6 years 
       male: 20.5 years female: 20.8 years (2010 est.)  | 
        
| Ireland | 
      
        total: 35.3 years 
       male: 34.5 years female: 36.1 years (2010 est.)  | 
        
| Isle of Man | 
      
        total: 40.4 years 
       male: 39.3 years female: 41.6 years (2010 est.)  | 
        
| Israel | 
      
        total: 29.3 years 
       male: 28.6 years female: 30 years (2010 est.)  | 
        
| Italy | 
      
        total: 43.7 years 
       male: 42.3 years female: 45.3 years (2010 est.)  | 
        
| Jamaica | 
      
        total: 23.9 years 
       male: 23.4 years female: 24.5 years (2010 est.)  | 
        
| Japan | 
      
        total: 44.6 years 
       male: 42.9 years female: 46.5 years (2010 est.)  | 
        
| Jersey | 
      
        total: 43.4 years 
       male: 42.5 years female: 44.2 years (2010 est.)  | 
        
| Jordan | 
      
        total: 21.8 years 
       male: 21.6 years female: 22.1 years (2010 est.)  | 
        
| Kazakhstan | 
      
        total: 29.9 years 
       male: 28.4 years female: 31.6 years (2010 est.)  | 
        
| Kenya | 
      
        total: 18.8 years 
       male: 18.7 years female: 18.9 years (2010 est.)  | 
        
| Kiribati | 
      
        total: 22.2 years 
       male: 21.4 years female: 23 years (2010 est.)  | 
        
| Korea, North | 
      
        total: 33.9 years 
       male: 32.5 years female: 35.2 years (2010 est.)  | 
        
| Korea, South | 
      
        total: 37.9 years 
       male: 36.5 years female: 39.1 years (2010 est.)  | 
        
| Kosovo | 
      
        total: 26.3 years 
       male: 25.8 years female: 26.8 years (2010 est.)  | 
        
| Kuwait | 
      
        total: 26.4 years 
       male: 28.2 years female: 22.9 years (2010 est.)  | 
        
| Kyrgyzstan | 
      
        total: 24.7 years 
       male: 23.8 years female: 25.6 years (2010 est.)  | 
        
| Laos | 
      
        total: 19.5 years 
       male: 19.2 years female: 19.8 years (2010 est.)  | 
        
| Latvia | 
      
        total: 40.4 years 
       male: 37.4 years female: 43.5 years (2010 est.)  | 
        
| Lebanon | 
      
        total: 29.4 years 
       male: 28.3 years female: 30.5 years (2010 est.)  | 
        
| Lesotho | 
      
        total: 22.6 years 
       male: 22.6 years female: 22.7 years (2010 est.)  | 
        
| Liberia | 
      
        total: 18.4 years 
       male: 18.3 years female: 18.4 years (2010 est.)  | 
        
| Libya | 
      
        total: 24.2 years 
       male: 24.3 years female: 24.2 years (2010 est.)  | 
        
| Liechtenstein | 
      
        total: 41.4 years 
       male: 40.8 years female: 41.9 years (2010 est.)  | 
        
| Lithuania | 
      
        total: 39.7 years 
       male: 37.1 years female: 42.3 years (2010 est.)  | 
        
| Luxembourg | 
      
        total: 39.3 years 
       male: 38.3 years female: 40.3 years (2010 est.)  | 
        
| Macau | 
      
        total: 35.6 years 
       male: 36.3 years female: 35 years (2010 est.)  | 
        
| Macedonia | 
      
        total: 35.4 years 
       male: 34.4 years female: 36.5 years (2010 est.)  | 
        
| Madagascar | 
      
        total: 18.1 years 
       male: 17.8 years female: 18.3 years (2010 est.)  | 
        
| Malawi | 
      
        total: 17.1 years 
       male: 17 years female: 17.3 years (2010 est.)  | 
        
| Malaysia | 
      
        total: 25.1 years 
       male: 24.5 years female: 25.8 years (2010 est.)  | 
        
| Maldives | 
      
        total: 25.9 years 
       male: 26.6 years female: 24.7 years (2010 est.)  | 
        
| Mali | 
      
        total: 16.2 years 
       male: 15.8 years female: 16.6 years (2010 est.)  | 
        
| Malta | 
      
        total: 39.7 years 
       male: 38.5 years female: 41.1 years (2010 est.)  | 
        
| Marshall Islands | 
      
        total: 21.5 years 
       male: 21.5 years female: 21.5 years (2010 est.)  | 
        
| Mauritania | 
      
        total: 19.3 years 
       male: 18.5 years female: 20.2 years (2010 est.)  | 
        
| Mauritius | 
      
        total: 32.3 years 
       male: 31.4 years female: 33.2 years (2010 est.)  | 
        
| Mayotte | 
      
        total: 17.3 years 
       male: 18.1 years female: 16.5 years (2010 est.)  | 
        
| Mexico | 
      
        total: 26.7 years 
       male: 25.6 years female: 27.7 years (2010 est.)  | 
        
| Micronesia, Federated States of | 
      
        total: 22.4 years 
       male: 21.8 years female: 22.9 years (2010 est.)  | 
        
| Moldova | 
      
        total: 35 years 
       male: 33.1 years female: 37.1 years (2010 est.)  | 
        
| Monaco | 
      
        total: 48.9 years 
       male: 48 years female: 49.9 years (2010 est.)  | 
        
| Mongolia | 
      
        total: 25.8 years 
       male: 25.3 years female: 26.2 years (2010 est.)  | 
        
| Montenegro | 
      
        total: 37.2 years 
       male: 35.9 years female: 38.8 years (2010 est.)  | 
        
| Montserrat | 
      
        total: 29.1 years 
       male: 28.8 years female: 29.5 years (2010 est.)  | 
        
| Morocco | 
      
        total: 26.5 years 
       male: 25.9 years female: 27 years (2010 est.)  | 
        
| Mozambique | 
      
        total: 17.5 years 
       male: 17.1 years female: 17.9 years (2010 est.)  | 
        
| Namibia | 
      
        total: 21.4 years 
       male: 21.3 years female: 21.4 years (2010 est.)  | 
        
| Nauru | 
      
        total: 22 years 
       male: 21.4 years female: 22.6 years (2010 est.)  | 
        
| Nepal | 
      
        total: 21.2 years 
       male: 20.2 years female: 22.1 years (2010 est.)  | 
        
| Netherlands | 
      
        total: 40.8 years 
       male: 40 years female: 41.6 years (2010 est.)  | 
        
| Netherlands Antilles | 
      
        total: 34.1 years 
       male: 32.1 years female: 35.8 years (2010 est.)  | 
        
| New Caledonia | 
      
        total: 29 years 
       male: 28.5 years female: 29.5 years (2010 est.)  | 
        
| New Zealand | 
      
        total: 36.8 years 
       male: 36 years female: 37.6 years (2010 est.)  | 
        
| Nicaragua | 
      
        total: 22.5 years 
       male: 22.1 years female: 22.9 years (2010 est.)  | 
        
| Niger | 
      
        total: 15.2 years 
       male: 15 years female: 15.4 years (2010 est.)  | 
        
| Nigeria | 
      
        total: 19.1 years 
       male: 19 years female: 19.2 years (2010 est.)  | 
        
| Northern Mariana Islands | 
      
        total: 29.3 years 
       male: 29.9 years female: 29.1 years (2010 est.)  | 
        
| Norway | 
      
        total: 39.7 years 
       male: 38.8 years female: 40.5 years (2010 est.)  | 
        
| Oman | 
      
        total: 23.9 years 
       male: 25.4 years female: 22.1 years (2010 est.)  | 
        
| Pakistan | 
      
        total: 21.2 years 
       male: 21.3 years female: 21.2 years (2010 est.)  | 
        
| Palau | 
      
        total: 32.4 years 
       male: 32.2 years female: 33 years (2010 est.)  | 
        
| Panama | 
      
        total: 27.2 years 
       male: 26.9 years female: 27.6 years (2010 est.)  | 
        
| Papua New Guinea | 
      
        total: 21.6 years 
       male: 21.9 years female: 21.3 years (2010 est.)  | 
        
| Paraguay | 
      
        total: 24.9 years 
       male: 24.7 years female: 25.1 years (2010 est.)  | 
        
| Peru | 
      
        total: 26.4 years 
       male: 26.1 years female: 26.7 years (2010 est.)  | 
        
| Philippines | 
      
        total: 22.7 years 
       male: 22.2 years female: 23.2 years (2010 est.)  | 
        
| Poland | 
      
        total: 38.2 years 
       male: 36.5 years female: 40 years (2010 est.)  | 
        
| Portugal | 
      
        total: 39.7 years 
       male: 37.6 years female: 41.9 years (2010 est.)  | 
        
| Puerto Rico | 
      
        total: 36.7 years 
       male: 34.9 years female: 38.4 years (2010 est.)  | 
        
| Qatar | 
      
        total: 30.8 years 
       male: 32.9 years female: 25.4 years (2010 est.)  | 
        
| Romania | 
      
        total: 38.1 years 
       male: 36.7 years female: 39.6 years (2010 est.)  | 
        
| Russia | 
      
        total: 38.5 years 
       male: 35.3 years female: 41.7 years (2010 est.)  | 
        
| Rwanda | 
      
        total: 18.6 years 
       male: 18.4 years female: 18.9 years (2010 est.)  | 
        
| Saint Barthelemy | 
      
        total: 39.8 years 
       male: 39.9 years female: 39.6 years (2010 est.)  | 
        
| Saint Helena, Ascension, and Tristan da Cunha | 
      
        total: 38.2 years 
       male: 38.2 years female: 38.1 years (2010 est.)  | 
        
| Saint Kitts and Nevis | 
      
        total: 31.5 years 
       male: 31.5 years female: 31.5 years (2010 est.)  | 
        
| Saint Lucia | 
      
        total: 30.3 years 
       male: 29.3 years female: 31.4 years (2010 est.)  | 
        
| Saint Martin | 
      
        total: 30.8 years 
       male: 29.7 years female: 31.6 years (2010 est.)  | 
        
| Saint Pierre and Miquelon | 
      
        total: 41.7 years 
       male: 41.3 years female: 42.2 years (2010 est.)  | 
        
| Saint Vincent and the Grenadines | 
      
        total: 29.5 years 
       male: 29.6 years female: 29.4 years (2010 est.)  | 
        
| Samoa | 
      
        total: 21.8 years 
       male: 21.7 years female: 21.9 years (2010 est.)  | 
        
| San Marino | 
      
        total: 42.1 years 
       male: 41.3 years female: 42.8 years (2010 est.)  | 
        
| Sao Tome and Principe | 
      
        total: 17.5 years 
       male: 17 years female: 17.9 years (2010 est.)  | 
        
| Saudi Arabia | 
      
        total: 21.6 years 
       male: 22.9 years female: 20 years (2010 est.)  | 
        
| Senegal | 
      
        total: 18.7 years 
       male: 18.5 years female: 18.9 years (2010 est.)  | 
        
| Serbia | 
      
        total: 41.1 years 
       male: 39.4 years female: 42.9 years (2010 est.)  | 
        
| Seychelles | 
      
        total: 32 years 
       male: 31.5 years female: 32.5 years (2010 est.)  | 
        
| Sierra Leone | 
      
        total: 19 years 
       male: 18.6 years female: 19.5 years (2010 est.)  | 
        
| Singapore | 
      
        total: 39.6 years 
       male: 39.1 years female: 40 years (2010 est.)  | 
        
| Slovakia | 
      
        total: 37.3 years 
       male: 35.7 years female: 38.9 years (2010 est.)  | 
        
| Slovenia | 
      
        total: 42.1 years 
       male: 40.4 years female: 43.7 years (2010 est.)  | 
        
| Solomon Islands | 
      
        total: 20 years 
       male: 19.8 years female: 20.2 years (2010 est.)  | 
        
| Somalia | 
      
        total: 17.6 years 
       male: 17.4 years female: 17.7 years (2010 est.)  | 
        
| South Africa | 
      
        total: 24.7 years 
       male: 24.4 years female: 25 years (2010 est.)  | 
        
| Spain | 
      
        total: 41.5 years 
       male: 40.1 years female: 42.9 years (2010 est.)  | 
        
| Sri Lanka | 
      
        total: 31.3 years 
       male: 30.3 years female: 32.2 years (2010 est.)  | 
        
| Sudan | 
      
        total: 19.3 years 
       male: 19.1 years female: 19.5 years (2010 est.)  | 
        
| Suriname | 
      
        total: 28.3 years 
       male: 27.9 years female: 28.7 years (2010 est.)  | 
        
| Swaziland | 
      
        total: 20.1 years 
       male: 19.7 years female: 20.5 years (2010 est.)  | 
        
| Sweden | 
      
        total: 41.7 years 
       male: 40.6 years female: 42.9 years (2010 est.)  | 
        
| Switzerland | 
      
        total: 41.3 years 
       male: 40.3 years female: 42.4 years (2010 est.)  | 
        
| Syria | 
      
        total: 21.5 years 
       male: 21.3 years female: 21.7 years (2010 est.)  | 
        
| Taiwan | 
      
        total: 37 years 
       male: 36.4 years female: 37.7 years (2010 est.)  | 
        
| Tajikistan | 
      
        total: 22.2 years 
       male: 21.7 years female: 22.7 years (2010 est.)  | 
        
| Tanzania | 
      
        total: 18.3 years 
       male: 18 years female: 18.5 years (2010 est.)  | 
        
| Thailand | 
      
        total: 33.7 years 
       male: 32.9 years female: 34.7 years (2010 est.)  | 
        
| Timor-Leste | 
      
        total: 22.2 years 
       male: 22.2 years female: 22.2 years (2010 est.)  | 
        
| Togo | 
      
        total: 18.9 years 
       male: 18.5 years female: 19.4 years (2010 est.)  | 
        
| Tonga | 
      
        total: 22.7 years 
       male: 22.3 years female: 23.2 years (2010 est.)  | 
        
| Trinidad and Tobago | 
      
        total: 32.6 years 
       male: 32.1 years female: 33.1 years (2010 est.)  | 
        
| Tunisia | 
      
        total: 29.7 years 
       male: 29.1 years female: 30.3 years (2010 est.)  | 
        
| Turkey | 
      
        total: 28.1 years 
       male: 27.7 years female: 28.4 years (2010 est.)  | 
        
| Turkmenistan | 
      
        total: 24.8 years 
       male: 24.4 years female: 25.3 years (2010 est.)  | 
        
| Turks and Caicos Islands | 
      
        total: 28 years 
       male: 28.8 years female: 27.3 years (2010 est.)  | 
        
| Tuvalu | 
      
        total: 23.9 years 
       male: 22.4 years female: 26 years (2010 est.)  | 
        
| Uganda | 
      
        total: 15 years 
       male: 14.9 years female: 15.1 years (2010 est.)  | 
        
| Ukraine | 
      
        total: 39.7 years 
       male: 36.5 years female: 42.9 years (2010 est.)  | 
        
| United Arab Emirates | 
      
        total: 30.2 years 
       male: 32.1 years female: 24.8 years (2010 est.)  | 
        
| United Kingdom | 
      
        total: 40.5 years 
       male: 39.4 years female: 41.5 years (2010 est.)  | 
        
| United States | 
      
        total: 36.8 years 
       male: 35.5 years female: 38.1 years (2010 est.)  | 
        
| Uruguay | 
      
        total: 33.7 years 
       male: 32.3 years female: 35.1 years (2010 est.)  | 
        
| Uzbekistan | 
      
        total: 25.2 years 
       male: 24.7 years female: 25.8 years (2010 est.)  | 
        
| Vanuatu | 
      
        total: 24.6 years 
       male: 24.5 years female: 24.6 years (2010 est.)  | 
        
| Venezuela | 
      
        total: 25.8 years 
       male: 25.1 years female: 26.5 years (2010 est.)  | 
        
| Vietnam | 
      
        total: 27.4 years 
       male: 26.4 years female: 28.5 years (2010 est.)  | 
        
| Virgin Islands | 
      
        total: 39.8 years 
       male: 39.2 years female: 40.2 years (2010 est.)  | 
        
| Wallis and Futuna | 
      
        total: 27.9 years 
       male: 26.8 years female: 29.2 years (2010 est.)  | 
        
| West Bank | 
      
        total: 20.9 years 
       male: 20.7 years female: 21.1 years (2010 est.)  | 
        
| Western Sahara | 
      
        total: 20.1 years 
       male: 19.7 years female: 20.6 years (2010 est.)  | 
        
| World | 
      
        total: 28.4 years 
       male: 27.7 years female: 29 years (2009 est.)  | 
        
| Yemen | 
      
        total: 17.9 years 
       male: 17.8 years female: 18 years (2010 est.)  | 
        
| Zambia | 
      
        total: 17.2 years 
       male: 17.1 years female: 17.3 years (2010 est.)  | 
        
| Zimbabwe | 
      
        total: 17.8 years 
       male: 16.7 years female: 18.9 years (2010 est.)  |