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Military Strength: Flag of Australia Australia vs Flag of Japan Japan

Military Strength
Australia Japan
Global Military Index 51.6 (#18) 61.3 (#8)
Military personnel 60,000 261,000
– Reserve troops 33,270 55,900
– Paramilitary forces 0 14,700
Military aircraft 355 1,399
– incl. combat aircraft 96 331
– incl. bombers 0 0
– incl. helicopters 95 533
Military ships 43 158
– incl. aircraft carriers 0 2
– incl. submarines 6 23
Main battle tanks 75 521
Nuclear warheads 0 0
Military Forces Chart

Overview

Japan (ranked #8 globally) holds a stronger overall military position than Australia (#18) on the Global Military Index. Japan fields 261,000 active troops — 4.3x Australia's 60,000, backed by 55,900 reserves and 14,700 paramilitary. Australia allocates $35B to defense compared to $56B for Japan.

In the air, Australia operates 355 aircraft including 96 combat jets, while Japan fields 1,399 with 331 fighters.

At sea, Australia's 43-ship navy faces Japan's 158 vessels, including 6 and 23 submarines respectively. On the ground, Australia deploys 75 main battle tanks vs 521 for Japan.

Neither Australia nor Japan possesses nuclear weapons.

Global Military Index

Full ranking →
🇦🇺 Australia World #18
51.6/ 100
Six-pillar composite: manpower, ground forces, naval power, air power, nuclear deterrent and defense budget, with a readiness modifier from budget per soldier. Full methodology.
Pillar Weight Score Basis
Manpower 15% 63.3 75235 effective
Ground forces 20% 52.8 75 main battle tanks
Naval power 20% 51.3 Carrier tiers, nuclear vs conventional submarines
Air power 25% 55.1 Weighted by aircraft type & fleet age
Nuclear deterrent 10% 0.0 No declared capability
Defense budget 10% 64.8 $35.1B, PPP-adjusted
Readiness modifier ×1.19 Budget per soldier
🇯🇵 Japan World #8
61.3/ 100
Six-pillar composite: manpower, ground forces, naval power, air power, nuclear deterrent and defense budget, with a readiness modifier from budget per soldier. Full methodology.
Pillar Weight Score Basis
Manpower 15% 75.6 279360 effective
Ground forces 20% 62.4 521 main battle tanks
Naval power 20% 77.1 Carrier tiers, nuclear vs conventional submarines
Air power 25% 67.1 Weighted by aircraft type & fleet age
Nuclear deterrent 10% 0.0 No declared capability
Defense budget 10% 70.5 $56.4B, PPP-adjusted
Readiness modifier ×1.12 Budget per soldier

Country Profile

Economy & Geography
Australia Japan
Population 27.2 million 124.0 million
GDP $1.8 trillion $4.0 trillion
GDP per capita $64,604 $32,487
Military budget $35.1 billion $56.4 billion
– share of GDP 2.0% 1.4%
– share of govt spending 0.0% 0.0%
– per capita spending $1292 $455
Land area 7,633,565 km² 364,546 km²
Coastline 25,760 km 29,751 km
Military Budget Evolution
Military Personnel Evolution
Economic Metrics Chart

Frequently Asked Questions

Who has more military personnel, Australia or Japan?
Japan has approximately 261,000 active military personnel compared to Australia's 60,000, giving Japan a 4:1 numerical advantage.
Which country has more combat aircraft, Australia or Japan?
Japan operates 331 combat aircraft compared to Australia's 96. This includes fighters, strike aircraft, and multirole combat jets.
Who has the larger navy, Australia or Japan?
Japan has a larger navy with 158 vessels compared to Australia's 43 ships. Australia operates 6 submarines while Japan has 23.
Which country spends more on defense, Australia or Japan?
Japan has a larger defense budget at $56.4 billion (1.6:1 more) compared to Australia's $35.1 billion annually.
Do Australia and Japan have nuclear weapons?
Neither Australia nor Japan currently possesses nuclear weapons.
How do the tank forces of Australia and Japan compare?
Japan operates 521 main battle tanks compared to Australia's 75. Tank numbers reflect both active inventory and reserves.