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Indonesia vs Australia

Indonesia ranks #17 and Australia ranks #20 in the 2026 Military Atlas Index. Indonesia spends $15.0B on defense with 434K active personnel; Australia spends $35.3B with 59K.

Overview
#17Global Rank#20
$15.0B
Defense Budget$35.3B
1.0%
Budget % of GDP1.9%
$1.45T
GDP$1.80T
285.72M
Population27.61M
Personnel
434K
Active Personnel59K
400K
Reserve Personnel21K
64K
Paramilitary0
Air
546
Military Aircraft326
115
Combat Aircraft96
95
Fighter Jets96
0
5th Gen Fighters72
0
Bombers0
276
Helicopters50
60
Attack Helicopters0
16
Military Drones (UAV)20
Land
331
Main Battle Tanks46
50
Infantry Fighting Vehicles0
869
Armoured Personnel Carriers1,219
612
Artillery Systems62
Naval
4
Submarines6
0
Nuclear Submarines0
1
Aircraft Carriers0
0
Helicopter / Amphibious Carriers2
Strategic
0
Nuclear Warheads0

Indonesia leads in 12 of the 19 measured categories, Australia in 7. 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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