How many employees does the Department of Defense have?

As of 2023, the Department of Defense (DoD) employs approximately 3 million people, which includes around 1.3 million active-duty military personnel, over 800,000 reservists, and nearly 800,000 civilian employees. This vast workforce supports various missions, including national defense, intelligence, and military operations. The exact numbers can fluctuate due to recruitment, retirement, and changing defense needs.