| Japan |
42.90 years |
| Germany |
42.60 years |
| Italy |
42.20 years |
| Finland |
41.30 years |
| Belgium |
40.90 years |
| Sweden |
40.90 years |
| Austria |
40.90 years |
| Greece |
40.80 years |
| Bulgaria |
40.80 years |
| Hong Kong SAR |
40.70 years |
| Slovenia |
40.60 years |
| Croatia |
40.30 years |
| Switzerland |
40.10 years |
| Spain |
39.90 years |
| Denmark |
39.80 years |
| Netherlands |
39.40 years |
| Latvia |
39.40 years |
| Estonia |
39.30 years |
| Czech Republic |
39.30 years |
| United Kingdom |
39.30 years |
| Ukraine |
39.20 years |
| France |
39.10 years |
| Canada |
38.90 years |
| Luxembourg |
38.70 years |
| Hungary |
38.70 years |
| Malta |
38.70 years |
| Portugal |
38.50 years |
| Norway |
38.40 years |
| Bosnia and Herzegovina |
38.40 years |
| Russia |
38.40 years |
| Lithuania |
38.20 years |
| Georgia |
37.70 years |
| Singapore |
37.30 years |
| Serbia |
37 years |
| Poland |
37 years |
| Australia |
36.90 years |
| Romania |
36.60 years |
| United States |
36.50 years |
| Slovak Republic |
35.80 years |
| Korea |
35.20 years |
| Cyprus |
34.90 years |
| Barbados |
34.60 years |
| Iceland |
34.20 years |
| Macedonia, Former Yugoslav Republic of |
34.10 years |
| Ireland |
34 years |
| New Zealand |
33.90 years |
| Netherlands Antilles |
32.80 years |
| Uruguay |
32.70 years |
| China |
32.70 years |
| Korea |
32 years |
| Thailand |
31.90 years |
| Qatar |
31.70 years |
| Iceland |
31.40 years |
| Trinidad and Tobago |
31.20 years |
| Mauritius |
30.80 years |
| Chile |
30.40 years |
| Armenia |
30.40 years |
| Dominican Republic |
30.10 years |
| Antigua and Barbuda |
30 years |
| Sri Lanka |
29.80 years |
| Argentina |
29.70 years |
| Israel |
29.60 years |
| Bahrain |
29.40 years |
| Albania |
28.90 years |
| Kazakhstan |
28.80 years |
| Guyana |
28.60 years |
| Brazil |
28.20 years |
| Turkey |
28.10 years |
| United Arab Emirates |
28.10 years |
| Seychelles |
28.10 years |
| Jamaica |
28 years |
| Tunisia |
27.80 years |
| Bahamas, The |
27.80 years |
| Lebanon |
27.80 years |
| Azerbaijan |
27.70 years |
| Brunei Darussalam |
27.40 years |
| Guyana |
27.40 years |
| Myanmar |
27 years |
| Indonesia |
26.80 years |
| Suriname |
26.50 years |
| Costa Rica |
26.40 years |
| Colombia |
26.30 years |
| Panama |
26.10 years |
| Venezuela |
26 years |
| Vietnam |
25.90 years |
| Kuwait |
25.90 years |
| Mexico |
25.30 years |
| Peru |
25.30 years |
| Samoa |
25.20 years |
| India |
24.90 years |
| Algeria |
24.90 years |
| Iran, Islamic Republic of |
24.80 years |
| Mongolia |
24.60 years |
| Fiji |
24.60 years |
| South Africa |
24.10 years |
| Dominican Republic |
24.10 years |
| Malaysia |
24.10 years |
| Egypt |
24 years |
| Morocco |
23.90 years |
| Kyrgyz Republic |
23.60 years |
| Ecuador |
23.60 years |
| Samoa |
23.20 years |
| Libya |
23 years |
| Jordan |
23 years |
| Vanuatu |
23 years |
| Uzbekistan |
22.70 years |
| Philippines |
22.50 years |
| Bangladesh |
22.20 years |
| El Salvador |
21.80 years |
| Turkmenistan |
21.80 years |
| Bolivia |
21.80 years |
| Grenada |
21.70 years |
| Saudi Arabia |
21.40 years |
| Paraguay |
21.30 years |
| Papua New Guinea |
21.20 years |
| Congo, Republic of |
20.90 years |
| Nicaragua |
20.90 years |
| Syrian Arab Republic |
20.70 years |
| Tonga |
20.70 years |
| Cambodia |
20.60 years |
| Bhutan |
20.40 years |
| Nepal |
20.30 years |
| Lesotho |
20.30 years |
| Kiribati |
20.20 years |
| Namibia |
20 years |
| Tajikistan |
20 years |
| Zimbabwe |
19.90 years |
| Ghana |
19.90 years |
| Pakistan |
19.80 years |
| Cape Verde |
19.80 years |
| Belize |
19.60 years |
| Honduras |
19.50 years |
| Botswana |
19.40 years |
| Côte d'Ivoire |
19.20 years |
| Senegal |
19.10 years |
| Equatorial Guinea |
19 years |
| Oman |
19 years |
| Lao People's Democratic Republic |
18.90 years |
| Solomon Islands |
18.90 years |
| Guatemala |
18.90 years |
| Cameroon |
18.90 years |
| Equatorial Guinea |
18.80 years |
| Nigeria |
18.70 years |
| Swaziland |
18.60 years |
| Comoros |
18.60 years |
| Gabon |
18.60 years |
| Rwanda |
18.60 years |
| Central African Republic |
18.40 years |
| Sudan |
18.30 years |
| Mozambique |
18.30 years |
| Togo |
18.30 years |
| Djibouti |
18.20 years |
| Haiti |
18.20 years |
| Angola |
18 years |
| Maldives |
17.90 years |
| Ethiopia |
17.80 years |
| Eritrea |
17.80 years |
| Gambia, The |
17.70 years |
| Tanzania |
17.70 years |
| Equatorial Guinea |
17.70 years |
| Benin |
17.60 years |
| Madagascar |
17.50 years |
| Sierra Leone |
17.40 years |
| Mauritania |
17 years |
| Yemen, Republic of |
16.60 years |
| Burundi |
16.60 years |
| Malawi |
16.50 years |
| Burkina Faso |
16.50 years |
| Zambia |
16.50 years |
| Niger |
16.50 years |
| São Tomé and Príncipe |
16.20 years |
| Congo, Republic of |
16.20 years |
| Chad |
16 years |
| Mali |
15.80 years |
| Uganda |
15 years |