These are the enlistment ages for military service by country, according to the online CIA publication The World Factbook.
A Albania – 19 (voluntary; age lowered to 18 during wartime) Algeria – 19 (compulsory) Angola – 18 (voluntary – men), 20 (voluntary – women), 20 (compulsory – men) Antigua and Barbuda – 18 (voluntary) Argentina – 18 (voluntary during peacetime; compulsory for men during wartime) Armenia – 18 (compulsory) Australia – 18 (voluntary; age 17 with parental consent) Austria – 17 (voluntary), 18 (compulsory) Azerbaijan – 17 (voluntary), 18 (compulsory) Afghanistan - 18 (voluntary) 20 (compulsory)
B Bahamas – 18 (voluntary) Bahrain – 18 (voluntary) Bangladesh – 16 (voluntary) Barbados – 18 (voluntary) Belarus – 18 (compulsory) Belgium – 18 (voluntary) Belize – 18 (voluntary) Benin – 18 (compulsory) Bhutan – 18 (voluntary), 20 (compulsory militia training) Bolivia – 18 (voluntary) Bosnia and Herzegovina – 18 (voluntary) Botswana – 18 (voluntary) Brazil – 18 (compulsory) Brunei – 17 (voluntary) Bulgaria – 18 (voluntary) Burkina Faso – 18 (voluntary) Burundi – 18 (voluntary)
C Cape Verde – 17 (voluntary), 18 (compulsory) Cambodia – 18 (compulsory) Cameroon – 18 (voluntary) Canada – 16.5 (voluntary; volunteers can join the Reserves and enter the Military Colleges at age 16.5, or join the regular forces at age 17 with parental consent) Central African Republic – 18 (voluntary) Chad – 18 (voluntary), 20 (compulsory – men), 21 (compulsory – women) Chile – 18 (voluntary) People's Republic of China – 18 (compulsory; only registration is compulsory. People do not have to serve in the military) 17 with parental permission. Colombia – 18 (compulsory) Comoros – 18 (voluntary) Democratic Republic of the Congo – 18 (compulsory) Republic of the Congo – 18 (voluntary) Côte d'Ivoire – 18 (compulsory) Croatia – 18 (compulsory) Cuba – 17 (compulsory) Cyprus – 17 (voluntary), 18 (compulsory for Greek Cypriots only) Czech Republic – 18 (voluntary)
D Denmark – 18 (compulsory) Djibouti – 18 (voluntary) Dominican Republic – 18 (voluntary)
E Ecuador – 18 (compulsory; conscription is currently suspended until further notice) Egypt – 18 (compulsory) El Salvador – 18 (compulsory) Equatorial Guinea – 18 (compulsory) Eritrea – 18 (compulsory) Estonia – 18 (compulsory) Eswatini (Swaziland) – 18 (voluntary) Ethiopia – 18 (voluntary)
F Fiji – 18 (voluntary) Finland – 18 (compulsory) France – 18 (voluntary)
G Gabon – 20 (voluntary). Gambia – 18 (compulsory). Georgia – 18 (compulsory). Germany – 18 (compulsory; conscription not enforced(17 with parental consent) Ghana – 18 (voluntary). Greece – 18 (voluntary), 19 (compulsory; conscription age can be lowered to 17 during wartime). Guatemala – 17 (compulsory). Guinea – 18 (voluntary). Guinea-Bissau – 16 (voluntary, with parental consent), 18 (compulsory). Guyana – 18 (voluntary).
H Honduras – 18 (voluntary) Hungary – 18 (voluntary)
I India – 16.5 (voluntary, for National Defense Academy), 17.5 (voluntary, for all others on the Agnipath scheme) Indonesia – 18 (voluntary) Iran – 18 (compulsory) Iraq – 18 (voluntary) Ireland – 18 (voluntary) Israel – 17 (voluntary), 18 (compulsory for Jews and Druze only) Italy – 18 (voluntary)
J Jamaica – 17 (voluntary) Japan – 18 (voluntary) Jordan – 17 (compulsory)
K Kazakhstan – 18 (compulsory) Kenya – 18 (voluntary) North Korea – 17 (compulsory) South Korea – 18 (compulsory) Kuwait – 17 (voluntary) Kyrgyzstan – 18 (compulsory), 19 (voluntary – women)
L Laos – 18 (compulsory) Latvia – 18 (compulsory) Lebanon – 17 (voluntary) Lesotho – 18 (voluntary) Liberia – 18 (voluntary) Libya – 18 (compulsory) Lithuania – 18 (compulsory) Luxembourg – 18 (voluntary)
M Madagascar – 18 (compulsory) Malawi – 18 (voluntary) Malaysia – 18 (voluntary) Maldives – 18 (voluntary) Mali – 18 (compulsory) Malta – 18 (voluntary) Mauritania – 18 (voluntary), 18 (compulsory, conscription not enforced) Mexico – 18 (compulsory) Moldova – 18 (compulsory) Mongolia – 18 (compulsory) Montenegro – 18 (voluntary) Morocco – 18 (voluntary), 19 (compulsory, reintroduced in 2019); both sexes are obligated to military service; conscript service obligation - 12 months Mozambique – 18 (compulsory) Myanmar – 18 (voluntary)
N Namibia – 18 (voluntary) Nepal – 18 (voluntary) Netherlands – 17 (voluntary) New Zealand – 17 (voluntary; soldiers are not deployed in combat before the age of 18) Nicaragua – 18 (voluntary) Niger – 18 (compulsory) Nigeria – 18 (voluntary) North Macedonia – 18 (voluntary) Norway – 17 (voluntary – men), 18 (voluntary – women), 19 (compulsory;)
O Oman – 18 (voluntary)
P Pakistan – 16 (voluntary) Papua New Guinea – 18 (voluntary; age 16 with parental consent) Paraguay – 18 (compulsory) Peru – 18 (voluntary) Philippines – 17 (voluntary) Poland – 18 (voluntary; enlistment age can be lowered to 17 during wartime) Portugal – 18 (voluntary)
Q Qatar – 18 (compulsory)
R Romania – 18 (voluntary) Russia – 18 (compulsory) Rwanda – 18 (voluntary)
S Saint Kitts and Nevis – 18 (voluntary) San Marino – 15 (voluntary) São Tomé and Príncipe – 17 (voluntary), 18 (compulsory) Saudi Arabia – 17 (voluntary) Senegal – 18 (voluntary), 20 (compulsory) Serbia – 18 (voluntary) Seychelles – 18 (voluntary) Sierra Leone – 18 (voluntary) Singapore – 16.5 (voluntary), 18 (compulsory) Slovakia – 18 (voluntary) Slovenia – 18 (voluntary) Somalia – 18 (compulsory) South Africa – 18 (voluntary) South Sudan – 18 (compulsory) Spain – 18 (voluntary) Sri Lanka – 18 (voluntary) Sudan – 18 (compulsory) Suriname – 18 (voluntary) Sweden – 18 (compulsory) Switzerland – 18 (voluntary), 19 (compulsory) Syria – 18 (voluntary)
T Taiwan – 19 (compulsory) Tajikistan – 18 (compulsory) Tanzania – 18 (voluntary) Thailand – 18 (voluntary), 21 (compulsory) Timor-Leste – 18 (voluntary) Togo – 18 (voluntary) Tonga – 18 (voluntary; age 16 with parental consent) Trinidad and Tobago – 18 (voluntary; age 17 with parental consent) Tunisia – 18 (voluntary), 20 (compulsory) Turkey – 18 (voluntary), 21 (compulsory) Turkmenistan – 18 (compulsory)
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