U.S. Military Ranks

Source: U.S. Department of Defense.
Army and Marine CorpsNavy and Coast Guard1Air ForceTotal
Commissioned Officers
0-1 Second Lieutenant Ensign Second Lieutenant24,579
0-2 First Lieutenant Lieutenant Junior Grade First Lieutenant28,002
0-3 Captain Lieutenant Captain72,729
0-4 Major Lieutenant Commander Major45,168
0-5 Lieutenant Colonel Commander Lieutenant Colonel28,148
0-6 Colonel Captain Colonel11,542
0-7 Brigadier General Rear AdmiralBrigadier General444
0-8 Major General Rear Admiral Major General285
0-9 Lieutenant General Vice Admiral Lieutenant General132
0-10 General Admiral General39
Special Grades3
(5 stars)General of the Army Fleet Admiral General of the Air Force
Warrant Officers
W-1 Warrant Officer2,935
W-2–W-5Chief Warrant OfficerChief Warrant Officer413,450
Enlisted Personnel
E-1 PrivateSeaman Recruit Recruit53,586
E-2 Army Private/
Marine Private First Class
Seaman Apprentice Airman80,531
E-3 Army Private First Class/
Marine Lance Corporal
Seaman Airman First Class185,923
E-4 CorporalPetty Officer, Third Class Senior Airman261,890
E-5 SergeantPetty Officer, Second Class Staff Sergeant248,805
E-6 Staff SergeantPetty Officer, First Class Technical Sergeant175,234
E-7 Army Sergeant First Class
Marine Gunnery Sergeant
Chief Petty Officer Master Sergeant96,956
E-8 Master Sergeant Senior Chief Petty Officer Senior Master Sergeant26,912
E-9 Sergeant Major Master Chief Petty Officer Chief Master Sergeant10,629
Special Grades5
Sergeant MajorMaster Chief Petty OfficerChief Master Sergeant
1. The United States Coast Guard operates within the Department of Homeland Security rather than the Department of Defense.
2. As of June 30, 2006. Excludes Coast Guard.
3. There are no living five-star commissioned officers.
4. Applies only to the Navy, not the Coast Guard.
5. Senior enlisted advisers. There is only one for each branch of service (Air Force, Army, Marine Corps, Navy).
Source: U.S. Dept. of Defense, Defense Manpower Data Center.

U.S. Military Spending, 1946–2009Military PersonnelActive Duty Military Personnel, 1940–2006