Compare / South Korea vs Indonesia

South Korea vs Indonesia

South Korea ranks #6 and Indonesia ranks #17 in the 2026 Military Atlas Index. South Korea spends $47.8B on defense with 450K active personnel; Indonesia spends $15.0B with 434K.

Overview
#6Global Rank#17
$47.8B
Defense Budget$15.0B
2.6%
Budget % of GDP1.0%
$1.87T
GDP$1.45T
51.68M
Population285.72M
Personnel
450K
Active Personnel434K
3.10M
Reserve Personnel400K
14K
Paramilitary64K
Air
1,713
Military Aircraft546
637
Combat Aircraft115
387
Fighter Jets95
40
5th Gen Fighters0
0
Bombers0
532
Helicopters276
147
Attack Helicopters60
10
Military Drones (UAV)16
Land
1,826
Main Battle Tanks331
499
Infantry Fighting Vehicles50
3,110
Armoured Personnel Carriers869
5,735
Artillery Systems612
Naval
20
Submarines4
0
Nuclear Submarines0
0
Aircraft Carriers1
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 16 of the 19 measured categories, Indonesia in 3. 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.

Compare other countries