Zambia Army

The Zambian Army is part of the Zambian Defence Force. Like all branches of the Zambian military, citizens of the nation are required to register at 16, and citizens can join at 16 with parental consent or at 18 when they are classified as adults by Zambia. There is no conscription. Applicants must be Zambian citizens and must have a Grade 12 certification. Applicants must also undergo a test for HIV on enlistment. You can serve until age 65, when there is a mandatory retirement. According to the 2014 CIA World Factbook:
 * There are 3,041,069 men between 16-49 who are classified as manpower (this does not mean that all of them are fit for duty), and 2,948,291 women between 16-49 who are classified as manpower. This makes a total of 5,989,360 people classified as manpower.
 * There are 1,745,656 men who are classified as fit for military service between the ages of 16-49. There are 1,688,670 women who are classified as fit for military service between the ages of 16-49. Therefore, Zambia has 3,434,326 people fit for military service between the ages of 16-49.
 * 1.55% of the GDP of Zambia is spent on the military. Ranked 177 in the world.