1990 Ranking
    1. Sweden 38.40
    2. Germany 37.60
    3. Japan 37.30
    4. Denmark 37.10
    5. Italy 37.00
    6. Switzerland 36.90
    7. Belgium 36.50
    8. Bulgaria 36.50
    9. Austria 36.50
    10. Hungary 36.40
    11. Luxembourg 36.40
    12. Finland 36.40
    13. United Kingdom 35.80
    14. Croatia 35.80
    15. Norway 35.40
    16. Czech Republic 35.30
    17. Ukraine 35.30
    18. Greece 35.10
    19. France 35.00
    20. Latvia 34.70
    21. Netherlands 34.60
    22. Estonia 34.40
    23. Portugal 34.20
    24. Slovenia 34.10
    25. Spain 33.40
    26. Russia 33.40
    27. Serbia 33.20
    28. Belarus 33.10
    29. Malta 33.10
    30. Canada 32.90
    31. United States 32.80
    32. Lithuania 32.70
    33. Romania 32.60
    34. Poland 32.20
    35. Australia 32.10
    36. Slovakia 31.20
    37. New Zealand 31.10
    38. Hong Kong 31.00
    39. Georgia 31.00
    40. Uruguay 30.70
    41. Iceland 30.00
    42. Moldova 29.90
    43. Cyprus 29.90
    44. Montenegro 29.80
    45. Bosnia and Herzegovina 29.80
    46. Singapore 29.30
    47. Macedonia (F.Y.R.O.M.) 29.20
    48. Qatar 28.70
    49. Barbados 28.30
    50. Ireland 28.30
    51. Cuba 27.70
    52. Armenia 27.20
    53. Argentina 27.20
    54. South Korea 26.90
    55. United Arab Emirates 26.70
    56. Kazakhstan 26.00
    57. Israel 25.90
    58. Chile 25.60
    59. Bahrain 25.40
    60. North Korea 25.00
    61. Mauritius 24.90
    62. China 24.90
    63. Antigua and Barbuda 24.40
    64. Thailand 24.30
    65. Sri Lanka 24.20
    66. Albania 24.10
    67. Azerbaijan 24.10
    68. Trinidad and Tobago 24.10
    69. Bahamas 23.60
    70. Kuwait 23.50
    71. Brunei 23.20
    72. Lebanon 23.20
    73. Costa Rica 23.10
    74. Suriname 22.80
    75. Brazil 22.40
    76. Jamaica 22.30
    77. Turkey 22.10
    78. Seychelles 21.90
    79. Kyrgyzstan 21.80
    80. Panama 21.70
    81. Colombia 21.60
    82. Malaysia 21.60
    83. Saint Lucia 21.40
    84. Indonesia 21.30
    85. Tunisia 21.30
    86. India 21.10
    87. Guyana 21.10
    88. Vietnam 21.00
    89. Venezuela 21.00
    90. Fiji 20.90
    91. Burma (Myanmar) 20.80
    92. Ecuador 20.50
    93. Kiribati 20.40
    94. Grenada 20.40
    95. Peru 20.40
    96. Saint Vincent and Grenadines 20.40
    97. Dominican Republic 20.20
    98. South Africa 20.10
    99. Morocco 19.80
    100. Timor Leste 19.80
    101. Tonga 19.70
    102. El Salvador 19.70
    103. Egypt 19.60
    104. Uzbekistan 19.60
    105. Turkmenistan 19.60
    106. Mexico 19.50
    107. Saudi Arabia 19.50
    108. Paraguay 19.40
    109. Gabon 19.40
    110. Mongolia 19.30
    111. Philippines 19.20
    112. Equatorial Guinea 19.10
    113. Bolivia 19.10
    114. Papua New Guinea 18.70
    115. Samoa 18.70
    116. Nepal 18.70
    117. Bangladesh 18.60
    118. Haiti 18.50
    119. Pakistan 18.50
    120. Libya 18.50
    121. Central African Republic 18.40
    122. Guinea 18.20
    123. Tajikistan 18.10
    124. Vanuatu 18.10
    125. Algeria 18.00
    126. Congo (Brazzaville) 17.90
    127. Oman 17.90
    128. Belize 17.90
    129. Cambodia 17.90
    130. Bhutan 17.90
    131. South Sudan 17.80
    132. Namibia 17.80
    133. Somalia 17.80
    134. Ghana 17.80
    135. Lesotho 17.70
    136. Laos 17.60
    137. Micronesia 17.60
    138. Eritrea 17.50
    139. Ivory Coast 17.50
    140. Botswana 17.50
    141. Sierra Leone 17.40
    142. Nigeria 17.40
    143. Djibouti 17.40
    144. Liberia 17.40
    145. Congo (Kinshasa) 17.40
    146. Mauritania 17.40
    147. Iran 17.20
    148. Benin 17.10
    149. Malawi 17.10
    150. Madagascar 17.10
    151. Gambia 17.00
    152. Sudan 17.00
    153. Comoros 17.00
    154. Solomon Islands 16.90
    155. Nicaragua 16.90
    156. Cape Verde 16.90
    157. Guatemala 16.90
    158. Guinea Bissau 16.90
    159. Honduras 16.90
    160. Ethiopia 16.80
    161. Iraq 16.80
    162. Jordan 16.80
    163. Togo 16.80
    164. Tanzania 16.80
    165. Cameroon 16.80
    166. Zimbabwe 16.60
    167. Mali 16.50
    168. Senegal 16.40
    169. Zambia 16.40
    170. Burundi 16.40
    171. Syria 16.30
    172. Burkina Faso 16.30
    173. Chad 16.30
    174. Maldives 16.20
    175. Mozambique 16.20
    176. Swaziland 16.00
    177. Saint Thomas and Principe 16.00
    178. Uganda 15.90
    179. Afghanistan 15.90
    180. Niger 15.80
    181. Angola 15.80
    182. West Bank and Gaza 15.70
    183. Kenya 15.50
    184. Rwanda 15.30
    185. Yemen 14.30
    2015 Ranking
    1. Japan 46.30
    2. Italy 45.90
    3. Germany 45.90
    4. Portugal 43.90
    5. Bulgaria 43.50
    6. Greece 43.30
    7. Hong Kong 43.20
    8. Spain 43.20
    9. Austria 43.20
    10. Slovenia 43.00
    11. Lithuania 42.70
    12. Croatia 42.60
    13. Latvia 42.50
    14. Finland 42.50
    15. Switzerland 42.20
    16. Netherlands 42.10
    17. Hungary 41.70
    18. Denmark 41.60
    19. Estonia 41.60
    20. Czech Republic 41.40
    21. Romania 41.30
    22. Belgium 41.30
    23. France 41.20
    24. Cuba 41.10
    25. Bosnia and Herzegovina 41.00
    26. Malta 40.90
    27. Sweden 40.90
    28. South Korea 40.80
    29. Canada 40.50
    30. Ukraine 40.30
    31. United Kingdom 40.20
    32. Serbia 40.00
    33. Singapore 40.00
    34. Poland 39.70
    35. Belarus 39.60
    36. Luxembourg 39.30
    37. Norway 39.20
    38. Slovakia 39.20
    39. Russia 38.70
    40. Barbados 38.50
    41. Georgia 38.00
    42. Thailand 37.80
    43. Montenegro 37.70
    44. United States 37.60
    45. Australia 37.40
    46. Macedonia (F.Y.R.O.M.) 37.40
    47. New Zealand 37.30
    48. China 37.00
    49. Ireland 36.90
    50. Albania 36.20
    51. Iceland 36.00
    52. Moldova 35.60
    53. Mauritius 35.60
    54. Uruguay 34.90
    55. Cyprus 34.90
    56. Seychelles 34.60
    57. North Korea 34.00
    58. Trinidad and Tobago 33.90
    59. Armenia 33.90
    60. Chile 33.70
    61. United Arab Emirates 33.40
    62. Kuwait 33.40
    63. Saint Lucia 32.60
    64. Bahamas 32.50
    65. Sri Lanka 32.30
    66. Costa Rica 31.40
    67. Qatar 31.30
    68. Brazil 31.30
    69. Bahrain 31.20
    70. Tunisia 31.10
    71. Argentina 30.80
    72. Antigua and Barbuda 30.70
    73. Vietnam 30.40
    74. Azerbaijan 30.30
    75. Israel 30.20
    76. Colombia 30.10
    77. Brunei 30.00
    78. Turkey 29.90
    79. Saudi Arabia 29.80
    80. Saint Vincent and Grenadines 29.80
    81. Iran 29.50
    82. Jamaica 29.40
    83. Kazakhstan 29.30
    84. Oman 29.00
    85. Lebanon 28.50
    86. Panama 28.40
    87. Suriname 28.40
    88. Indonesia 28.00
    89. Maldives 27.90
    90. Morocco 27.90
    91. Malaysia 27.70
    92. Burma (Myanmar) 27.70
    93. Fiji 27.60
    94. Mexico 27.50
    95. Algeria 27.50
    96. Peru 27.50
    97. Venezuela 27.40
    98. Grenada 27.20
    99. Libya 27.20
    100. Mongolia 27.10
    101. India 26.70
    102. Ecuador 26.60
    103. Uzbekistan 26.30
    104. Bhutan 26.30
    105. South Africa 26.10
    106. Dominican Republic 26.10
    107. El Salvador 25.80
    108. Bangladesh 25.60
    109. Turkmenistan 25.60
    110. Kyrgyzstan 25.30
    111. Nicaragua 25.20
    112. Paraguay 24.90
    113. Egypt 24.70
    114. Guyana 24.60
    115. Botswana 24.40
    116. Philippines 24.10
    117. Bolivia 24.10
    118. Cambodia 23.90
    119. Cape Verde 23.80
    120. Djibouti 23.70
    121. Belize 23.50
    122. Nepal 23.20
    123. Haiti 23.00
    124. Honduras 23.00
    125. Laos 22.70
    126. Gabon 22.60
    127. Pakistan 22.50
    128. Tajikistan 22.40
    129. Kiribati 22.40
    130. Vanuatu 22.20
    131. Equatorial Guinea 22.20
    132. Jordan 22.10
    133. Papua New Guinea 21.70
    134. Micronesia 21.50
    135. Guatemala 21.30
    136. Tonga 21.30
    137. Lesotho 21.30
    138. Samoa 21.20
    139. Namibia 21.00
    140. Swaziland 20.40
    141. Ghana 20.40
    142. Syria 20.20
    143. Solomon Islands 19.90
    144. Comoros 19.70
    145. Mauritania 19.70
    146. Rwanda 19.40
    147. Iraq 19.40
    148. West Bank and Gaza 19.30
    149. Yemen 19.20
    150. Zimbabwe 19.00
    151. Kenya 19.00
    152. Eritrea 18.90
    153. Togo 18.90
    154. Congo (Brazzaville) 18.90
    155. Guinea Bissau 18.90
    156. Sudan 18.90
    157. Madagascar 18.70
    158. Liberia 18.60
    159. Ethiopia 18.60
    160. South Sudan 18.60
    161. Guinea 18.40
    162. Cameroon 18.30
    163. Sierra Leone 18.30
    164. Senegal 18.30
    165. Ivory Coast 18.30
    166. Benin 18.20
    167. Saint Thomas and Principe 18.10
    168. Nigeria 17.90
    169. Central African Republic 17.80
    170. Burundi 17.60
    171. Malawi 17.40
    172. Timor Leste 17.40
    173. Afghanistan 17.30
    174. Tanzania 17.30
    175. Mozambique 17.20
    176. Zambia 17.10
    177. Gambia 17.00
    178. Burkina Faso 17.00
    179. Congo (Kinshasa) 16.80
    180. Somalia 16.50
    181. Angola 16.40
    182. Chad 16.10
    183. Mali 16.00
    184. Uganda 15.80
    185. Niger 14.90

    Age that divides the population distribution into two equal parts—that is, 50 percent of the population is above that age and 50 percent is below it.

    Source: United Nations Development Programme Human Development Data