Saturday, October 24, 2026

How many military US military bases are around the world?

As an Army medic drafted in 1966 I was sent to Korea. I know we had a number of military bases but I never wondered how many. Here is part of my web search...

How many US military bases are in Republic of Korea -- army, navy, air force, other?

The United States military maintains approximately 73 to 80 base sites and installations across the Republic of Korea (ROK). Under a major force consolidation agreement, the vast majority of the roughly 28,500 American troops in the country are grouped into several major core bases. [1, 2, 3, 4]

An extensive list followed but I was more interested in the global total. 

That's more than I imagined. How many such bases do we have around the world?

The United States military maintains approximately 750 to 800 overseas military base sites across roughly 80 foreign countries and territories, alongside over 500 domestic installations within the 50 states and Washington, D.C.. [1, 2, 3, 4]
According to the Department of Defense's Base Structure Report and independent researchers (such as American University's base tracking project), the U.S. operates between 70% and 85% of all foreign military bases worldwide. [1]
Scale Breakdown
  • Overseas Footprint: Roughly 170,000 to 200,000 active-duty U.S. service members are deployed or stationed across roughly 150 different nations. [1]
  • Domestic Footprint: The Pentagon manages hundreds of major bases, training ranges, and logistical depots inside the United States, Puerto Rico, and U.S. territories.
  • Comparison to Other Nations: The U.S. total vastly outpaces other global powers; by comparison, the United Kingdom, Russia, Turkey, and China combined operate a fraction of the overseas footprint (estimated around 150 to 300 foreign bases total). [1]


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