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China vs South Korea

China ranks #2 and South Korea ranks #6 in the 2026 Military Atlas Index. China spends $336B on defense with 2.04M active personnel; South Korea spends $47.8B with 450K.

Overview
#2Global Rank#6
$336B
Defense Budget$47.8B
1.7%
Budget % of GDP2.6%
$19.50T
GDP$1.87T
1.41B
Population51.68M
Personnel
2.04M
Active Personnel450K
510K
Reserve Personnel3.10M
500K
Paramilitary14K
Air
5,316
Military Aircraft1,713
2,263
Combat Aircraft637
1,844
Fighter Jets387
308
5th Gen Fighters40
419
Bombers0
1,310
Helicopters532
320
Attack Helicopters147
53
Military Drones (UAV)10
Land
4,500
Main Battle Tanks1,826
11,900
Infantry Fighting Vehicles499
8,450
Armoured Personnel Carriers3,110
10,560
Artillery Systems5,735
Naval
59
Submarines20
13
Nuclear Submarines0
2
Aircraft Carriers0
5
Helicopter / Amphibious Carriers2
Strategic
620
Nuclear Warheads0
11
Ballistic Missile Systems3
4
ICBM Systems0
4
Cruise Missile Systems6
2
Hypersonic Systems0
15,000 km
Longest Missile Range1,500 km

China leads in 25 of the 27 measured categories, South Korea in 2. Numbers alone do not decide a war: training, logistics, geography, alliances and nuclear deterrence matter too. A dash means the source publishes no figure.

Sources: CSIS Missile Threat, Federation of American Scientists, IISS Military Balance, Military Atlas Index, SIPRI, Wikipedia, Wikipedia / FlightGlobal, World Bank.

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