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Military Strength: Flag of South Korea South Korea vs Flag of Saudi Arabia Saudi Arabia

South Korea (ranked #5 globally) holds a stronger overall military position than Saudi Arabia (#12) on the ATLAS Index. South Korea fields 500,000 active troops vs 257,000 for Saudi Arabia, backed by 3,100,000 reserves and 3,013,500 paramilitary. Saudi Arabia's $88B defense budget is 2.0:1 that of South Korea ($43B).

ATLAS (Aggregate Total of Land, Air and Sea strength) Index face-off Full ranking →
Flag of South Korea South KoreaWorld #5 60.1
ATLAS Index / 100

South Korea leads on 3 of 6 pillars

Flag of Saudi Arabia Saudi ArabiaWorld #12 49.2
  • 99.6500K active troops Manpower10 % 56.3257K active troops
  • 75.91,814 battle tanks Ground forces20 % 59.61,085 battle tanks
  • 63.2112 warships Naval power20 % 42.567 warships
  • 53.2387 combat aircraft Air power25 % 53.9384 combat aircraft
  • 0.00 warheads Nuclear deterrent10 % 0.00 warheads
  • 55.7$43B budget Defense budget15 % 60.5$88B budget
South Korea Saudi Arabia Pillar scores 0–100 (weight under each label) over a headline figure from that domain · each conventional pillar read after its branch's availability proxy · Methodology
Key figures
South Korea Saudi Arabia Ratio
Defense budget $43B $88B 🇸🇦 2.0×
– share of GDP 2.3% 7.1% 🇸🇦 3.1×
Active personnel 500,000 257,000 🇰🇷 1.9×
Combat aircraft 387 384 🇰🇷 ≈
Warships 112 67 🇰🇷 1.7×
– submarines 20 0 🇰🇷
Main battle tanks 1,814 1,085 🇰🇷 1.7×
Nuclear warheads 0 0 —
Show full breakdown · 11 more rowsHide the 11 extra rows
Reserve troops 3,100,000 0 🇰🇷
Paramilitary forces 3,013,500 24,500 🇰🇷 123×
Military aircraft (all types) 1,576 915 🇰🇷 1.7×
– helicopters 870 263 🇰🇷 3.3×
Budget share of govt spending — — —
Budget per capita $835 $2,381 🇸🇦 2.9×
Population 51.7M 37M 🇰🇷 1.4×
GDP $1.9T $1.3T 🇰🇷 1.5×
GDP per capita $36,227 $34,537 🇰🇷 ≈
Land area 99,909 km² 2,149,690 km² 🇸🇦 22×
Coastline 2,413 km 2,640 km 🇸🇦 1.1×
Backbone systems most numerous in service
🇰🇷 South KoreaF-16 Fighting Falcon ×166K1A1 Rokit ×1,511Son Won-il-class ×9
🇸🇦 Saudi ArabiaF-15EX Eagle II ×83M1 Abrams ×575Al Madinah-class ×4
Defense budget history South Korea ×1.0 · Saudi Arabia ×1.4 since 2021
Military personnel history
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Saudi Arabia vsUnited StatesIranYemenIsraelTaiwan
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Frequently Asked Questions

Who has more military personnel, South Korea or Saudi Arabia?
South Korea has approximately 500,000 active military personnel compared to Saudi Arabia's 257,000, giving South Korea a 1.9:1 numerical advantage.
Which country has more combat aircraft, South Korea or Saudi Arabia?
South Korea operates 387 combat aircraft compared to Saudi Arabia's 384. This includes fighters, strike aircraft, and multirole combat jets.
Who has the larger navy, South Korea or Saudi Arabia?
South Korea has a larger navy with 112 warships compared to Saudi Arabia's 67. South Korea operates 20 submarines while Saudi Arabia has 0.
Which country spends more on defense, South Korea or Saudi Arabia?
Saudi Arabia has a larger defense budget at $88 billion (2.0:1 more) compared to South Korea's $43.1 billion annually.
Do South Korea and Saudi Arabia have nuclear weapons?
Neither South Korea nor Saudi Arabia currently possesses nuclear weapons.
How do the tank forces of South Korea and Saudi Arabia compare?
South Korea operates 1,814 main battle tanks compared to Saudi Arabia's 1,085. Tank numbers reflect both active inventory and reserves.