Military Power.net

Indonesiavs South Korea

On Global Firepower's 2026 index, South Korea (#5) holds a solid edge over Indonesia (#13).

  • South Korea has destroyers; Indonesia has none.
  • South Korea fields 5.9× as many fighters.
  • South Korea fields 5.5× as many tanks.
  1. People and moneySouth Korea leads 3 of 4
  2. Land forcesSouth Korea leads 5 of 5
  3. Air powerSouth Korea leads 6 of 7
  4. Naval forcesSouth Korea leads 4 of 7
  5. Nuclear weaponsEven, 0–0

Leads count raw numbers in each category. Larger is not always stronger: a modern fleet can beat a bigger, older one.

People and money

Who can be put in uniform, and how much is spent keeping them there.

$15.0B
Military spending
$47.8B
405K
Active personnel
450K
401K
Reserves
3.1M
250K
Paramilitary
120K

Spending is SIPRI's 2025 estimate in US dollars (Indonesia: 1% of GDP; South Korea: 2.6% of GDP).

Land forces

Armour and artillery: the weight an army can put on the ground.

331
Tanks
1,831
28K
Armored vehicles
117K
153
Self-propelled artillery
2,780
396
Towed artillery
5,800
67
Rocket artillery
525

Air power

Fixed-wing and rotary aircraft across all branches.

460
Total aircraft
1,540
41
Fighters
242
34
Attack aircraft
98
212
Helicopters
827
15
Attack helicopters
113
1
Tankers
4
73
Transports
40

Naval forces

Hull counts, from carriers down to patrol boats.

338
Total fleet
215
0
Aircraft carriers
0
0
Helicopter carriers
2
4
Submarines
22
0
Destroyers
14
10
Frigates
18
26
Corvettes
3

Nuclear weapons

Estimated warheads in military stockpiles, January 2026.

0
Warheads
0
0
Deployed warheads
0

Compare other countries

Related matchups

Profiles: Indonesia and South Korea. Sources: Global Firepower 2026, SIPRI Military Expenditure 2025 (Apr 2026), SIPRI Yearbook 2026: World Nuclear Forces.