GlobalMilitary.net Open-source military intelligence Updated daily
Head-to-head

Military Strength: Flag of Australia Australia vs Flag of Indonesia Indonesia

Australia (ranked #18 globally) holds a stronger overall military position than Indonesia (#29) on the ARMS Index. Indonesia fields 676,000 active troops — 11:1 Australia's 60,000, backed by 400,000 reserves and 290,200 paramilitary. Australia's $35B defense budget is 3.1:1 that of Indonesia ($11B).

ARMS (Aggregate Rating of Military Strength) Index face-off Full ranking →
Flag of Australia AustraliaWorld #18 51.6
ARMS Index / 100

Australia leads on 3 of 6 pillars

Flag of Indonesia IndonesiaWorld #29 47.2
  • 63.360K active troops Manpower15 % 84.5676K active troops
  • 52.875 battle tanks Ground forces20 % 51.8331 battle tanks
  • 50.844 warships Naval power20 % 64.4345 warships
  • 55.396 combat aircraft Air power25 % 51.165 combat aircraft
  • 0.00 warheads Nuclear deterrent10 % 0.00 warheads
  • 64.8$35B budget Defense budget10 % 62.5$11B budget
Australia Indonesia Pillar scores 0–100 (weight under each label) over a headline figure from that domain · readiness modifier ×1.19 vs ×0.98 · Methodology
Key figures
Australia Indonesia Ratio
Defense budget $35B $11B 🇦🇺 3.1×
– share of GDP 2.0% 0.8% 🇦🇺 2.5×
Active personnel 60,000 676,000 🇮🇩 11×
Combat aircraft 96 65 🇦🇺 1.5×
Warships 44 345 🇮🇩 7.8×
– submarines 6 4 🇦🇺 1.5×
Main battle tanks 75 331 🇮🇩 4.4×
Nuclear warheads 0 0 —
Show full breakdown · 11 more rowsHide the 11 extra rows
Reserve troops 33,270 400,000 🇮🇩 12×
Paramilitary forces 0 290,200 🇮🇩
Military aircraft (all types) 382 483 🇮🇩 1.3×
– helicopters 95 220 🇮🇩 2.3×
Budget share of govt spending — — —
Budget per capita $1,292 $39 🇦🇺 33×
Population 27.2M 283.5M 🇮🇩 10×
GDP $1.8T $1.4T 🇦🇺 1.3×
GDP per capita $64,604 $4,925 🇦🇺 13×
Land area 7,633,565 km² 1,811,569 km² 🇦🇺 4.2×
Coastline 25,760 km 54,716 km 🇮🇩 2.1×
Backbone systems most numerous in service
🇦🇺 AustraliaF-35 Lightning II ×72M1 Abrams ×46Collins-class ×6
🇮🇩 IndonesiaF-16 Fighting Falcon ×33Leopard 2 ×103Nagapasa-class ×3
Defense budget history Australia ×1.3 · Indonesia ×1.3 since 2020
Military personnel history

Analyst Assessment

Run the wargame simulation →
Verdict
Edge: Australia

Australia holds a decisive qualitative advantage in aerospace, maritime strike, and C4ISR, but Indonesia possesses insurmountable strategic depth, immense manpower, and total control over regional maritime chokepoints.

Domain by domain
Air Power Edge: Australia
🇦🇺 AustraliaF-35A stealth, EA-18G, P-8A ISR, Ghost Bat drones
🇮🇩 IndonesiaF-16, Su-27/30, transitioning to Rafale
Ground Forces Edge: Indonesia
🇦🇺 Australia58,600 active, M1A2 SEPv3, HIMARS, AS9
🇮🇩 Indonesia400,000+ active, territorial KODAM depth, Leopard 2RI
Naval Even
🇦🇺 AustraliaHobart-class destroyers, transition to SSN-AUKUS
🇮🇩 IndonesiaVast littoral fleet, Type 209 subs, Martadinata frigates
Long-Range Strike Edge: Australia
🇦🇺 AustraliaTomahawk cruise missiles, PrSM capability
🇮🇩 IndonesiaKhan short-range ballistic missiles
Wildcards
  • Archipelagic Geography Indonesia’s 17,000 islands and vast coastline provide an impenetrable defensive depth, negating Australia's conventional strike capabilities by offering countless dispersed hiding points for asymmetric forces.
  • Demographic & Personnel Constraints Australia faces chronic recruitment shortages, limiting its capacity to absorb casualties or sustain prolonged deployments against Indonesia’s massive manpower pool and paramilitary reserves.
  • Logistical Diversity Indonesia’s procurement from heavily mixed suppliers (US, Russia, France, Turkey) poses severe wartime sustainment challenges, whereas Australia benefits from direct integration into the US defense supply chain, bolstered by its domestic Guided Weapons and Explosive Ordnance (GWEO) enterprise.
Outlook
ScenarioShort warProtracted war
Conventional 🇦🇺 Australia achieves localized sea/air denial Even Mutual exhaustion via logistical overextension
Hybrid/Asymmetric 🇮🇩 Indonesia successfully locks down straits 🇮🇩 Indonesia absorbs damage via territorial mass
Explore this matchup
Go deeper · same matchup, other lenses
Air forces Navies Armies Wargame simulator
Change opponent
Australia vsUnited StatesChinaNew ZealandPapua New GuineaFiji
Indonesia vsNorth KoreaIranVietnamQatarSingapore
Related comparisons & rankings
Strongest militaries in the world (2026) Coalition Builder: compare alliances & blocs
Editorial assessment produced from the figures on this page and public sources; it is an informed reading, not a military assessment or a prediction.

Frequently Asked Questions

Who has more military personnel, Australia or Indonesia?
Indonesia has approximately 676,000 active military personnel compared to Australia's 60,000, giving Indonesia a 11:1 numerical advantage.
Which country has more combat aircraft, Australia or Indonesia?
Australia operates 96 combat aircraft compared to Indonesia's 65. This includes fighters, strike aircraft, and multirole combat jets.
Who has the larger navy, Australia or Indonesia?
Indonesia has a larger navy with 345 vessels compared to Australia's 44 ships. Australia operates 6 submarines while Indonesia has 4.
Which country spends more on defense, Australia or Indonesia?
Australia has a larger defense budget at $35.1 billion (3.1:1 more) compared to Indonesia's $11.2 billion annually.
Do Australia and Indonesia have nuclear weapons?
Neither Australia nor Indonesia currently possesses nuclear weapons.
How do the tank forces of Australia and Indonesia compare?
Indonesia operates 331 main battle tanks compared to Australia's 75. Tank numbers reflect both active inventory and reserves.