Military Strength:
South Korea vs
Saudi Arabia
South Korea (ranked #5 globally) holds a stronger overall military position than Saudi Arabia (#12) on the ATLAS Index. South Korea fields 569,000 active troops — 2.0:1 Saudi Arabia's 282,000, 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 →
ATLAS Index / 100
South Korea leads on 3 of 6 pillars
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 | 569,000 | 282,000 | 🇰🇷 2.0× |
| Combat aircraft | 374 | 384 | 🇸🇦 ≈ |
| Warships | 154 | 30 | 🇰🇷 5.1× |
| – submarines | 21 | 0 | 🇰🇷 |
| Main battle tanks | 2,236 | 840 | 🇰🇷 2.7× |
| 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) | 1,552 | 914 | 🇰🇷 1.7× |
| – helicopters | 856 | 262 | 🇰🇷 3.3× |
| Budget share of govt spending | — | — | — |
| Budget per capita | $833 | $2,494 | 🇸🇦 3.0× |
| Population | 51.8M | 35.3M | 🇰🇷 1.5× |
| GDP | $1.9T | $1.2T | 🇰🇷 1.5× |
| GDP per capita | $36,239 | $35,122 | 🇰🇷 ≈ |
| 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
Defense budget history South Korea ×1.0 · Saudi Arabia ×1.4 since 2021
Military personnel history
Explore this matchup
Go deeper · same matchup, other lenses
Change opponent
Related comparisons & rankings
Frequently Asked Questions
Who has more military personnel, South Korea or Saudi Arabia?
South Korea has approximately 569,000 active military personnel compared to Saudi Arabia's 282,000, giving South Korea a 2.0:1 numerical advantage.
Which country has more combat aircraft, South Korea or Saudi Arabia?
Saudi Arabia operates 384 combat aircraft compared to South Korea's 374. 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 154 vessels compared to Saudi Arabia's 30 ships. South Korea operates 21 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 2,236 main battle tanks compared to Saudi Arabia's 840. Tank numbers reflect both active inventory and reserves.