Armed forces personnel as a share of total population - Our World

Armed forces personnel are active duty military personnel, including paramilitary forces if their training, organization, equipment, and control suggest they may be used to support or replace regular military forces.

U.S. Involvement in WWII: How (and How Much) the Military Grew

Women in peacekeeping United Nations Peacekeeping

Visualizing U.S. Military Spending vs. Other Top Countries

World War I: Building the American military, Article

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Military personnel as a share of total population - Our World in Data

US Military Demographics

Top 10 Powerful Countries In The World By Military Strength

Military Personnel and Spending - Our World in Data

Mapped: World's Top 40 Largest Military Budgets