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Navy comparison: Flag of Australia Australia vs Flag of Iran Iran

Australia operates 42 warships compared to 77 for Iran. Counting auxiliaries, reserve and non-commissioned hulls, the fleets number 60 and 120.

SEAS (Sea Equipment Aggregate Strength) Index face-off Full ranking →
Naval ensign of Australia AustraliaWorld #14 23.5
SEAS Index / 100

Australia leads on 7 of 8 categories

Naval ensign of Iran IranWorld #55 6.9
  • 3 Destroyersweight ×50 · size, era 0
  • 6 Submarinesweight ×45 · size, era 2
  • 7 Frigatesweight ×30 · size, era 0
  • 3 Amphibiousweight ×12 · size, era 12
  • 2 Mine warfareweight ×5 · size, era 1
  • 20 Patrol boatsweight ×2 · size, era 23
  • 1 Unmannedweight ×2 · size, era 0
  • 0 Coastal boatsweight ×1 · size, era 39
  • 2 Support shipsnot scored 29
  • 14 Other shipsnot scored 14
Australia Iran 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
Australia Iran Ratio
Official name Royal Australian Navy Islamic Republic of Iran Navy
Total ships 60 120 🇮🇷 2.0×
Active ships 58 120 🇮🇷 2.1×
On order / planned 19 0 🇦🇺
Submarines 6 2 🇦🇺 3.0×
Principal surface combatants 10 0 🇦🇺
Amphibious ships 3 12 🇮🇷 4.0×
Show full breakdown · 4 more rowsHide the 4 extra rows
Patrol boats 20 23 🇮🇷 1.1×
Mine warfare 2 1 🇦🇺 2.0×
Coastal boats 0 39 🇮🇷
Auxiliaries 16 43 🇮🇷 2.7×
Backbone classes one per tier held
🇦🇺 AustraliaCollins-class ×6Hobart-class ×3Anzac-class ×7
🇮🇷 IranKilo-class ×2
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Frequently Asked Questions

Which country has more naval ships, Australia or Iran?
Iran has a larger navy with 77 warships in service compared to Australia's 42.
Which navy has more submarines, Australia or Iran?
Australia operates more submarines with 6 compared to Iran's 2.
Which navy has more destroyers, Australia or Iran?
Australia operates 3 destroyers compared to Iran's 0.
Which navy has more frigates, Australia or Iran?
Australia operates 7 frigates compared to Iran's 0.
How do the Australia and Iran navies compare in size?
Iran's navy is 1.8 times larger than Australia's in terms of total ships (77 vs 42).