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Navy comparison: Flag of Iran Iran vs Flag of Thailand Thailand

Thailand's 308-ship navy outnumbers Iran's 143 vessels (2.2:1 advantage). Of these, 112 and 307 are in active service respectively.

SEAS (Sea Equipment Aggregate Strength) Index face-off Full ranking →
Naval ensign of Iran IranWorld #45 17.2
SEAS Index / 100

Thailand leads on 5 of 8 categories

Naval ensign of Thailand ThailandWorld #15 32.1
  • 0 Aircraft carriersweight ×200 1
  • 2 Submarinesweight ×45 0
  • 0 Frigatesweight ×30 7
  • 0 Corvettesweight ×15 5
  • 9 Amphibiousweight ×12 4
  • 1 Mine warfareweight ×5 5
  • 46 Patrol boatsweight ×2 257
  • 15 Coastal boatsweight ×1 0
  • 16 Support shipsnot scored 19
  • 23 Other shipsnot scored 9
Iran Thailand Bars: weighted contribution to the SEAS Index (hulls × category weight) · figures: active hulls at each side's latest inventory year · Methodology
Key figures as of 2026
Iran Thailand Ratio
Official name Islamic Republic of Iran Navy Royal Thai Navy
Total ships 143 308 🇹🇭 2.2×
Active ships 112 307 🇹🇭 2.7×
On order / planned 0 1 🇹🇭
Submarines 2 0 🇮🇷
Principal surface combatants 0 7 🇹🇭
Aircraft carriers 0 1 🇹🇭
Amphibious ships 9 4 🇮🇷 2.2×
Show full breakdown · 5 more rowsHide the 5 extra rows
Corvettes 0 5 🇹🇭
Patrol boats 46 257 🇹🇭 5.6×
Mine warfare 1 5 🇹🇭 5.0×
Coastal boats 15 0 🇮🇷
Auxiliaries 39 28 🇮🇷 1.4×
Backbone classes one per tier held
🇮🇷 IranKilo-class ×2
🇹🇭 ThailandChakri Narubet-class ×1Type 053H2-class ×4Endurance-class ×1
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Frequently Asked Questions

Which country has more naval ships, Iran or Thailand?
Thailand has a larger navy with 308 ships compared to Iran's 143 ships.
Which navy has more submarines, Iran or Thailand?
Iran operates more submarines with 4 compared to Thailand's 1.
Which country has more aircraft carriers, Iran or Thailand?
Thailand has 1 aircraft carrier(s) compared to Iran's 1.
Which navy has more frigates, Iran or Thailand?
Iran operates 8 frigates compared to Thailand's 7.
How do the Iran and Thailand navies compare in size?
Thailand's navy is 2.2 times larger than Iran's in terms of total ships (308 vs 143).