Median age, by country (2017)

Median Age Country
52.4 Monaco
46.9 Japan
46.8 Germany
45.9 Saint Pierre and Miquelon
45.6 Virgin Islands, U.S.
45.1 Italy
44.2 Greece
44.2 San Marino
44.1 Slovenia
44.0 Hong Kong
43.9 Isle of Man
43.8 Austria
43.7 Andorra
43.6 Guernsey
43.6 Saint Barthelemy
43.4 Lithuania
43.3 Latvia
43.2 Bermuda
42.9 Liechtenstein
42.7 Croatia
42.7 European Union
42.5 Netherlands
42.4 Bulgaria
42.4 Estonia
42.4 Finland
42.3 Serbia
42.3 Spain
42.2 Switzerland
42.0 Canada
42.0 Denmark
41.8 Hungary
41.8 Portugal
41.7 Bosnia and Herzegovina
41.7 Czech Republic
41.5 Malta
41.5 Saint Helena
41.4 Belgium
41.2 France
41.2 Korea, Republic of
41.2 Sweden
41.1 Cuba
40.7 Romania
40.7 Sint Maarten (Dutch Part)
40.5 United Kingdom
40.4 Ukraine
40.3 Poland
40.2 Montenegro
40.2 Taiwan, Province of China
40.1 Slovakia
39.9 Cayman Islands
39.8 Belarus
39.5 Puerto Rico
39.3 Russian Federation
39.2 Luxembourg
39.1 Aruba
39.1 Norway
38.7 Macau
38.6 Australia
38.5 Jersey
38.3 Barbados
38.0 Georgia
37.9 United States
37.8 New Zealand
37.7 Faroe Islands
37.5 Macedonia, the Former Yugoslav Republic of
37.2 Thailand
37.1 China
36.4 Cyprus
36.4 Ireland
36.3 Iceland
36.3 Moldova, Republic of
36.2 Virgin Islands, British
36.0 Curacao
35.9 Cook Islands
35.5 Trinidad and Tobago
34.9 Seychelles
34.8 Mauritius
34.7 Uruguay
34.6 Anguilla
34.6 Armenia
34.5 Gibraltar
34.5 Saint Kitts and Nevis
34.3 Singapore
34.2 Saint Lucia
34.0 Chile
33.8 Greenland
33.8 Korea, Democratic People's Republic of
33.3 Palau
33.0 Dominica
33.0 Qatar
33.0 Saint Vincent and the Grenadines
32.9 Turks and Caicos Islands
32.7 Northern Mariana Islands
32.6 Montserrat
32.5 Albania
32.5 Sri Lanka
32.4 Tunisia
32.3 Saint Martin
32.1 Bahrain
31.8 Bahamas
31.7 New Caledonia
31.6 Antigua and Barbuda
31.6 Brazil
31.6 Wallis and Futuna
31.5 Argentina
31.5 French Polynesia
30.9 Azerbaijan
30.9 Costa Rica
30.9 Grenada
30.5 Turkey
30.4 Guam
30.3 Kazakhstan
30.3 United Arab Emirates
30.1 Viet Nam
29.9 Brunei Darussalam
29.9 Indonesia
29.9 Lebanon
29.7 Israel
29.6 Colombia
29.5 Suriname
29.4 American Samoa
29.4 Iran, Islamic Republic of
29.2 Kuwait
28.9 Morocco
28.9 Panama
28.7 Kosovo
28.6 Fiji
28.6 Myanmar
28.5 Libya
28.2 Malaysia
28.1 Uzbekistan
28.0 Mexico
28.0 Venezuela
27.9 Mongolia
27.8 Algeria
27.8 Dominican Republic
27.8 Maldives
27.8 Paraguay
27.7 Peru
27.6 India
27.5 Turkmenistan
27.4 Ecuador
27.2 Bhutan
27.2 Saudi Arabia
26.8 South Africa
26.6 El Salvador
26.3 Bangladesh
26.2 Kyrgyzstan
26.1 Nauru
25.8 Guyana
25.6 Jamaica
25.5 Tuvalu
25.4 Oman
25.2 Nicaragua
24.9 Cambodia
24.9 Cape Verde
24.7 Micronesia, Federated States of
24.3 Kiribati
24.2 Tajikistan
24.1 Syrian Arab Republic
24.0 Bolivia
24.0 Lesotho
23.9 Samoa
23.8 Egypt
23.6 Nepal
23.5 Djibouti
23.4 Pakistan
23.4 Philippines
23.2 Botswana
22.9 Papua New Guinea
22.7 Lao People's Democratic Republic
22.7 Marshall Islands
22.6 Haiti
22.6 Honduras
22.6 Tonga
22.4 Belize
22.3 Jordan
22.2 Solomon Islands
21.7 Guatemala
21.7 Vanuatu
21.4 Swaziland
21.1 Western Sahara
21.0 Ghana
21.0 Namibia
20.8 West Bank
20.7 Cote D'Ivoire
20.7 Gambia
20.6 Zimbabwe
20.3 Mauritania
20.0 Guinea-Bissau
19.9 Iraq
19.7 Congo
19.7 Togo
19.6 Central African Republic
19.6 Comoros
19.6 Equatorial Guinea
19.6 Sudan
19.5 Kenya
19.5 Madagascar
19.4 Eritrea
19.2 Yemen
19.0 Rwanda
19.0 Sierra Leone
18.8 Guinea
18.8 Timor-Leste
18.7 Senegal
18.6 Afghanistan
18.6 Gabon
18.5 Cameroon
18.4 Congo, the Democratic Republic of the
18.3 Liberia
18.3 Nigeria
18.2 Angola
18.2 Sao Tome and Principe
18.0 Benin
17.9 Somalia
17.8 Ethiopia
17.6 Chad
17.6 Tanzania, United Republic of
17.2 Burkina Faso
17.1 Mozambique
17.1 South Sudan
17.0 Burundi
16.9 Gaza Strip
16.7 Zambia
16.5 Malawi
16.2 Mali
15.7 Uganda
15.3 Niger

Data source: CIA World Factbook ( https://www.cia.gov/library/publications/the-world-factbook/rankorder/2177rank.html )