how many active duty military in the us
The United States currently has roughly 1.3 to 1.33 million active-duty military personnel across all branches of the armed forces (Army, Navy, Air Force, Marine Corps, Space Force, and Coast Guard).
Current active-duty size
- Recent 2025 data from defense manpower statistics and independent analyses put active-duty strength at about 1.32–1.33 million service members.
- This total makes the U.S. military one of the largest active forces in the world, though smaller than the peak levels seen during the Cold War and early 2000s.
By military branch
- Army: around 445,000–453,000 active-duty soldiers.
- Navy: about 330,000–334,000 active-duty sailors.
- Air Force: roughly 259,000–314,000 active-duty airmen, depending on the specific 2025 dataset cited.
- Marine Corps: about 145,000–168,000 active-duty Marines.
- Space Force: around 9,000–10,000 active guardians.
- Coast Guard: roughly 39,000–42,000 active-duty coast guardsmen.
Active duty vs. reserve
- In addition to active duty, there are roughly 730,000–740,000 personnel in the Reserve and National Guard components.
- When including civilian Defense Department employees, total U.S. military-related workforce is around 2.8 million people.
Geographic and trend notes
- States with the largest active-duty presence include California, Virginia, and Texas , each hosting over 100,000 personnel due to major bases and installations.
- The total active-duty force has slightly increased by about 1–2% in recent years, but remains well below historic wartime highs.
HTML table of key figures
| Category | Approximate number |
|---|---|
| Total active-duty personnel (all branches) | ≈ 1.3–1.33 million | [1][3][9][5]
| Army active duty | ≈ 445,000–453,000 | [9][1][5]
| Navy active duty | ≈ 330,000–334,000 | [3][1][9]
| Air Force active duty | ≈ 259,000–314,000 | [7][1][9]
| Marine Corps active duty | ≈ 145,000–168,000 | [1][7][9]
| Space Force active duty | ≈ 9,000–10,000 | [7][9][1]
| Coast Guard active duty | ≈ 39,000–42,000 | [5][1][7]
| Reserve & National Guard | ≈ 730,000–740,000 | [6][5]
| Total military-related workforce (incl. civilians) | ≈ 2.8 million | [5]