Military Power.net

Indonesiavs Japan

On Global Firepower's 2026 index, Japan (#7) holds a solid edge over Indonesia (#13).

  • Japan has destroyers; Indonesia has none.
  • Japan fields 5.8× as many submarines.
  • Japan fields 5.3× as many fighters.
  1. People and moneyIndonesia leads 3 of 4
  2. Land forcesJapan leads 5 of 5
  3. Air powerJapan leads 6 of 7
  4. Naval forcesEven, 3–3
  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
$62.2B
405K
Active personnel
252K
401K
Reserves
56K
250K
Paramilitary
25K

Spending is SIPRI's 2025 estimate in US dollars (Indonesia: 1% of GDP; Japan: 1.4% of GDP).

Land forces

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

331
Tanks
734
28K
Armored vehicles
54K
153
Self-propelled artillery
193
396
Towed artillery
480
67
Rocket artillery
99

Air power

Fixed-wing and rotary aircraft across all branches.

460
Total aircraft
1,429
41
Fighters
217
34
Attack aircraft
47
212
Helicopters
583
15
Attack helicopters
118
1
Tankers
10
73
Transports
53

Naval forces

Hull counts, from carriers down to patrol boats.

338
Total fleet
158
0
Aircraft carriers
0
0
Helicopter carriers
4
4
Submarines
23
0
Destroyers
41
10
Frigates
8
26
Corvettes
0

Nuclear weapons

Estimated warheads in military stockpiles, January 2026.

0
Warheads
0
0
Deployed warheads
0

Compare other countries

Related matchups

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