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Military facts & stats

6 sourced facts about the military, each with the context behind the number. 4 more are in today's round and appear here after it closes.

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The basics

About how many military veterans live in the United States?

Answer16,185,883

The Census Bureau counts about 16.2 million veterans in a nation of roughly 342 million people.

Source: U.S. Census Bureau, QuickFacts (2024) census.gov

How many miles of corridors run through the Pentagon?

Answer17.5 miles

The world's second-largest office building took only about 16 months to build, finishing in January 1943.

Source: Wikipedia, The Pentagon en.wikipedia.org

Going deeper

Which country has the most active-duty military personnel?

AnswerChina (about 2.04 million)

India is next with about 1.5 million active personnel, per the IISS Military Balance.

Source: IISS Military Balance 2025, via Wikipedia (2025) en.wikipedia.org

Expert level

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