Guardian

South Korea’s military shrinks by 20% as low birthrate hits recruitment

South Korea's military has shrunk by 20% in six years as male population drops

BBC News

South Korea military shrinks as population declines

Firstpost

South Koreas military shrinks 20% in six years amid record-low birthrate

The Daily Observer

S Korea's military has shrunk by 20pc in six years as male population drops

WION

South Koreas military shrinks by 20% in six years due to drops in male population

US News & World Report

South Korea's Military Has Shrunk by 20% in Six Years as Male Population Drops

The Business Standard

Reuters

South Koreas Military Has Shrunk By 20 Six Years Male Population Drops 2025 08 10

News18

South Korea’s Military Shrinks By 20% In Six Years As Male Population Declines

Metaculus

Second Korean War by 2050

Bloomberg

Ian Bremmer

Statista

Choi Young Jun

Kim Sang-il

Yang Ji-hye

Lee Kang-yun

Shin Yul

Brad Glasser

Alastair Gale

Karl Friedhoff

Jung Min-ho

Mitch Shin

The Wall Street Journal

Who Will Be the Next President of South Korea?

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South Korea's military has decreased by 20% over the past six years to 450,000 troops, down from approximately 563,000 active-duty soldiers and officers in 2019, according to a defense ministry report released on Sunday to Democratic Party lawmaker Choo Mi-ae.

South Korea's military has decreased by 20% over the past six years to 450,000 troops, down from approximately 563,000 active-duty soldiers and officers in 2019, according to a defense ministry report released on Sunday to Democratic Party lawmaker Choo Mi-ae.

The population of 20-year-old males in South Korea declined by 30% between 2019 and 2025 to 230,000, which is the typical age when men who pass physical examinations enlist for mandatory military service that now lasts 18 months.</span

The population of 20-year-old males in South Korea declined by 30% between 2019 and 2025 to 230,000, which is the typical age when men who pass physical examinations enlist for mandatory military service that now lasts 18 months.

South Korea has the world's lowest fertility rate at 0.75 babies per woman in 2024, and its population peaked at 51.8 million in 2020 but is projected to shrink to 36.2 million by 2072 according to government data.</span

South Korea has the world's lowest fertility rate at 0.75 babies per woman in 2024, and its population peaked at 51.8 million in 2020 but is projected to shrink to 36.2 million by 2072 according to government data.

North Korea is believed to maintain an active-duty military of approximately 1.2 million personnel according to the latest 2022 defense ministry estimate, compared to South Korea's current force of 450,000 troops.</span

North Korea is believed to maintain an active-duty military of approximately 1.2 million personnel according to the latest 2022 defense ministry estimate, compared to South Korea's current force of 450,000 troops.

South Korea's defense budget exceeds 61 trillion won ($43.9 billion) in 2025, which is larger than the estimated size of North Korea's entire economy, yet the military remains 50,000 troops short of adequate defense readiness levels.</span

South Korea's defense budget exceeds 61 trillion won ($43.9 billion) in 2025, which is larger than the estimated size of North Korea's entire economy, yet the military remains 50,000 troops short of adequate defense readiness levels.

The military has reduced mandatory service periods from 36 months in 1953 when the Korean War ended to the current 18 months, citing improved capabilities through the U.S. alliance and development of a major arms export industry.</span

The military has reduced mandatory service periods from 36 months in 1953 when the Korean War ended to the current 18 months, citing improved capabilities through the U.S. alliance and development of a major arms export industry.

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This demographic crisis threatens national security when facing a 1.2 million-strong North Korean military. The 50,000 troop shortage, especially 21,000 missing officers, creates dangerous operational gaps that technology cannot fill. Population projections show this will only worsen.

This demographic crisis threatens national security when facing a 1.2 million-strong North Korean military. The 50,000 troop shortage, especially 21,000 missing officers, creates dangerous operational gaps that technology cannot fill. Population projections show this will only worsen.

The US-North Korea Conflict

South Korea's Military Shrinks 20% Due to Low Birth Rate

Military

Military bases & personnel

South Korea

The military downsizing reflects smart modernization rather than weakness. Advanced technology and stronger U.S. partnerships mean fewer troops can accomplish more than larger forces of the past. The defense budget now exceeds North Korea's entire economy, showing superior resource allocation.

The military downsizing reflects smart modernization rather than weakness. Advanced technology and stronger U.S. partnerships mean fewer troops can accomplish more than larger forces of the past. The defense budget now exceeds North Korea's entire economy, showing superior resource allocation.

WPR states there is a 20% chance that North and South Korea will be at war before 2050, according to the Metaculus prediction community.

WPR states there is a 20% chance that North and South Korea will be at war before 2050, according to the Metaculus prediction community.

South Korea's Military Shrinks 20% Due to Low Birth Rate

South Korea's Military Shrinks 20% Due to Low Birth Rate

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South Korea's Military Shrinks 20% Due to Low Birth Rate

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