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Navy comparison: Flag of Japan Japan vs Flag of Saudi Arabia Saudi Arabia

Japan operates 103 warships compared to 67 for Saudi Arabia. Counting auxiliaries, reserve and non-commissioned hulls, the fleets number 158 and 69.

SEAS (Sea Equipment Aggregate Strength) Index face-off Full ranking →
Naval ensign of Japan JapanWorld #4 50.7
SEAS Index / 100

Japan leads on 6 of 8 categories

Naval ensign of Saudi Arabia Saudi ArabiaWorld #24 18.1
  • 2 Aircraft carriersweight ×200 · size, era 0
  • 42 Destroyersweight ×50 · size, era 0
  • 22 Submarinesweight ×45 · size, era 0
  • 10 Frigatesweight ×30 · size, era 7
  • 0 Corvettesweight ×15 · size, era 9
  • 3 Amphibiousweight ×12 · size, era 0
  • 18 Mine warfareweight ×5 · size, era 3
  • 6 Patrol boatsweight ×2 · size, era 48
  • 11 Support shipsnot scored 2
  • 44 Other shipsnot scored 0
Japan Saudi Arabia Bars: weighted contribution to the SEAS Index (hulls × category weight × size, era and propulsion factors, minor vessels capped at 30 % of the combatant points; the air-wing, sustainment, armament and availability multipliers apply on top) · figures: active hulls at each side's latest inventory year · Methodology
Key figures as of 2026
Japan Saudi Arabia Ratio
Official name Japan Maritime Self-Defense Force Royal Saudi Navy
Total ships 158 69 🇯🇵 2.3×
Active ships 158 69 🇯🇵 2.3×
On order / planned 19 7 🇯🇵 2.7×
Submarines 22 0 🇯🇵
Principal surface combatants 52 7 🇯🇵 7.4×
Aircraft carriers 2 0 🇯🇵
Amphibious ships 3 0 🇯🇵
Show full breakdown · 4 more rowsHide the 4 extra rows
Corvettes 0 9 🇸🇦
Patrol boats 6 48 🇸🇦 8.0×
Mine warfare 18 3 🇯🇵 6.0×
Auxiliaries 55 2 🇯🇵 28×
Backbone classes one per tier held
🇯🇵 JapanIzumo-class ×2Sōryū-class ×12Murasame-class ×9
🇸🇦 Saudi ArabiaAl Madinah-class ×4Avante 2200-class ×5
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Frequently Asked Questions

Which country has more naval ships, Japan or Saudi Arabia?
Japan has a larger navy with 103 warships in service compared to Saudi Arabia's 67.
Which navy has more submarines, Japan or Saudi Arabia?
Japan operates more submarines with 22 compared to Saudi Arabia's 0.
Which country has more aircraft carriers, Japan or Saudi Arabia?
Japan has 2 aircraft carrier(s) compared to Saudi Arabia's 0.
Which navy has more destroyers, Japan or Saudi Arabia?
Japan operates 42 destroyers compared to Saudi Arabia's 0.
Which navy has more frigates, Japan or Saudi Arabia?
Japan operates 10 frigates compared to Saudi Arabia's 7.
How do the Japan and Saudi Arabia navies compare in size?
Japan's navy is 1.5 times larger than Saudi Arabia's in terms of total ships (103 vs 67).