Blacks account for nearly 22% of active-duty recruits in the USA army, even though they make up just 14% of the enlistment-age population. In the most casualty-prone area, the Army, black recruits are 28%. By contrast, the children of the top 15% of earners have joined at a rate one fifth of the national average. Among enlisted servicemen, only about 20% have a parent who has graduated from university.