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

Military Strength: Flag of Japan Japan vs Flag of Saudi Arabia Saudi Arabia

Japan (ranked #8 globally) holds a stronger overall military position than Saudi Arabia (#14) on the ARMS Index. Japan fields 261,000 active troops vs 282,000 for Saudi Arabia, backed by 24,500 paramilitary. Japan allocates $56B to defense compared to $88B for Saudi Arabia.

ARMS (Aggregate Rating of Military Strength) Index face-off Full ranking →
Flag of Japan JapanWorld #8 61.3
ARMS Index / 100

Japan leads overall, ahead on 2 of 6 pillars

Flag of Saudi Arabia Saudi ArabiaWorld #14 56.1
  • 75.6261K active troops Manpower15 % 75.0282K active troops
  • 62.4521 battle tanks Ground forces20 % 66.9840 battle tanks
  • 77.1158 warships Naval power20 % 36.730 warships
  • 67.3331 combat aircraft Air power25 % 67.6384 combat aircraft
  • 0.00 warheads Nuclear deterrent10 % 0.00 warheads
  • 70.5$56B budget Defense budget10 % 77.6$88B budget
Japan Saudi Arabia Pillar scores 0–100 (weight under each label) over a headline figure from that domain · readiness modifier ×1.12 vs ×1.15 · Methodology
Key figures
Japan Saudi Arabia Ratio
Defense budget $56B $88B 🇸🇦 1.6×
– share of GDP 1.4% 7.1% 🇸🇦 5.1×
Active personnel 261,000 282,000 🇸🇦 1.1×
Combat aircraft 331 384 🇸🇦 1.2×
Warships 158 30 🇯🇵 5.3×
– submarines 23 0 🇯🇵
Main battle tanks 521 840 🇸🇦 1.6×
Nuclear warheads 0 0 —
Show full breakdown · 12 more rowsHide the 12 extra rows
Reserve troops 55,900 0 🇯🇵
Paramilitary forces 14,700 24,500 🇸🇦 1.7×
Military aircraft (all types) 1,397 914 🇯🇵 1.5×
– helicopters 533 262 🇯🇵 2.0×
Aircraft carriers 2 0 🇯🇵
Budget share of govt spending — — —
Budget per capita $455 $2,494 🇸🇦 5.5×
Population 124M 35.3M 🇯🇵 3.5×
GDP $4T $1.2T 🇯🇵 3.2×
GDP per capita $32,487 $35,122 🇸🇦 1.1×
Land area 364,546 km² 2,149,690 km² 🇸🇦 5.9×
Coastline 29,751 km 2,640 km 🇯🇵 11×
Backbone systems most numerous in service
🇯🇵 JapanF-15 Eagle ×199Mitsubishi Type 90 ×340Izumo-class ×2
🇸🇦 Saudi ArabiaF-15E Strike Eagle ×148M1 Abrams ×575Al Madinah-class ×4
Defense budget history Japan ×1.1 · Saudi Arabia ×1.5 since 2020
Military personnel history

Wargame Simulation

Run the Japan vs Saudi Arabia simulation →
Explore this matchup
Go deeper · same matchup, other lenses
Air forces Navies Armies Wargame simulator
Change opponent
Japan vsUnited StatesChinaSouth KoreaTurkeyIndia
Saudi Arabia vsUnited StatesIranYemenTaiwanPakistan
Related comparisons & rankings
Strongest militaries in the world (2026) Coalition Builder: compare alliances & blocs

Frequently Asked Questions

Who has more military personnel, Japan or Saudi Arabia?
Saudi Arabia has approximately 282,000 active military personnel compared to Japan's 261,000.
Which country has more combat aircraft, Japan or Saudi Arabia?
Saudi Arabia operates 384 combat aircraft compared to Japan's 331. This includes fighters, strike aircraft, and multirole combat jets.
Who has the larger navy, Japan or Saudi Arabia?
Japan has a larger navy with 158 vessels compared to Saudi Arabia's 30 ships. Japan operates 23 submarines while Saudi Arabia has 0.
Which country spends more on defense, Japan or Saudi Arabia?
Saudi Arabia has a larger defense budget at $88 billion (1.6:1 more) compared to Japan's $56.4 billion annually.
Do Japan and Saudi Arabia have nuclear weapons?
Neither Japan nor Saudi Arabia currently possesses nuclear weapons.
How do the tank forces of Japan and Saudi Arabia compare?
Saudi Arabia operates 840 main battle tanks compared to Japan's 521. Tank numbers reflect both active inventory and reserves.