How many men and women have served in the military since the beginning of the US?

Since the founding of the United States, over 41 million Americans have served in the military. This includes both men and women, with women playing an increasingly prominent role, especially in recent decades. Although exact numbers can vary, estimates suggest that around 2 million women have served in various capacities. The participation of women in the military has significantly increased since World War II, reflecting broader societal changes.