At the start of the new millennium, the United States military was a very different organization. But then, so too was the United States as a country. In the past 20 years, the military has experienced an incredible shift in not only demographics, but also in the way it is formed. This trend will only continue.
A Pew Research Center study of the Department of Defense analyzed all of the data released by the U.S. military on its demographic makeup and found some key facts about how the U.S. military and the men and women who served in it has changed.
The Army is still the biggest, and the other branches are shrinking
In 2015, the Army was more than a third of the total active-duty force of the United States military. The Air Force and Navy were about a quarter of the force each, with the Marines and Coast Guard comprising 14 percent and 3 percent, respectively. These days, the Navy and Air Force have seen a sizable shrinkage in terms of how big they are in comparison to Big Army. The Marine Corps has also shrunk, although not to the same extent.
The Coast Guard, however, has grown.
The profile of the American veteran will shift significantly
Right now, 91 percent of veterans are male, but by 2045, the share of female veterans is expected to double while the actual number of female veterans will increase to more than 2.2 million. The number of male veterans is predicted to drop by half, to 9.8 million in 2045. These groups will also become more ethnically diverse as the older generations of veterans die. The share of Hispanic vets is expected to double, and the expected share of African-American veterans will increase to 16 percent.
Fewer Americans are veterans and that number will only drop
As of 2015, seven percent of the American population were veterans, down from 18 percent in 1980. With it came a drop in the number of active-duty military personnel, and the numbers keep on dropping. In 2045, the Department of Veterans Affairs estimates the number of veterans will drop by 40 percent of its current population, as Gulf War vets become the dominant era, and Vietnam veterans start to die off.
More women are joining – and more are in command
The number of women in the U.S. military is rapidly changing. According to the Defense Department, women now make up 20 percent of the Air Force, 19 percent of the Navy, 15 percent of the Army, and almost 9 percent of the Marine Corps. More than one in five commissioned officers were women in 2017, a number that is projected to rise, a far cry from women being just five percent of officers in 1975.
The U.S. military is getting smaller – troops are seeing more action
One in five veterans today served after the September 11, 2001, terrorist attacks. As a result of being a smaller force than the U.S. military of the Cold War Era, which includes the Korean War, the Vietnam War, and other conflicts of the time, Members of the post-9/11 military generation were more likely to have deployed and served in combat. They are also more likely to have experienced some kind of traumatic incident.
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