Compare / South Korea vs Vietnam

South Korea vs Vietnam

South Korea ranks #6 and Vietnam ranks #24 in the 2026 Military Atlas Index. South Korea spends $47.8B on defense with 450K active personnel; Vietnam spends $10.5B with 450K.

Overview
#6Global Rank#24
$47.8B
Defense Budget$10.5B
2.6%
Budget % of GDP2.2%
$1.87T
GDP$515B
51.68M
Population101.60M
Personnel
450K
Active Personnel450K
3.10M
Reserve Personnel5.00M
14K
Paramilitary40K
Air
1,713
Military Aircraft—
637
Combat Aircraft—
387
Fighter Jets—
40
5th Gen Fighters—
0
Bombers—
532
Helicopters—
147
Attack Helicopters—
10
Military Drones (UAV)—
Land
1,826
Main Battle Tanks1,769
499
Infantry Fighting Vehicles300
3,110
Armoured Personnel Carriers1,380
5,735
Artillery Systems2,950
Naval
20
Submarines6
0
Nuclear Submarines0
0
Aircraft Carriers0
2
Helicopter / Amphibious Carriers0
Strategic
0
Nuclear Warheads0
3
Ballistic Missile Systems—
0
ICBM Systems—
6
Cruise Missile Systems—
0
Hypersonic Systems—
1,500 km
Longest Missile Range—

South Korea leads in 8 of the 10 measured categories, Vietnam 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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