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Navy comparison: Flag of Spain Spain vs Flag of Italy Italy

Spain operates 43 warships compared to 54 for Italy. Counting auxiliaries, reserve and non-commissioned hulls, the fleets number 84 and 313.

SEAS (Sea Equipment Aggregate Strength) Index face-off Full ranking →
Naval ensign of Spain SpainWorld #17 20.6
SEAS Index / 100

Italy leads on 7 of 7 categories

Naval ensign of Italy ItalyWorld #9 28.4
  • 0 Aircraft carriersweight ×200 · size, era 1
  • 0 Destroyersweight ×50 · size, era 2
  • 2 Submarinesweight ×45 · size, era 8
  • 11 Frigatesweight ×30 · size, era 10
  • 3 Amphibiousweight ×12 · size, era 4
  • 6 Mine warfareweight ×5 · size, era 10
  • 21 Patrol boatsweight ×2 · size, era 19
  • 8 Support shipsnot scored 107
  • 33 Other shipsnot scored 151
Spain Italy 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
Spain Italy Ratio
Official name Spanish Navy Italian Navy
Total ships 84 313 🇮🇹 3.7×
Active ships 84 312 🇮🇹 3.7×
On order / planned 13 28 🇮🇹 2.2×
Submarines 2 8 🇮🇹 4.0×
Principal surface combatants 11 12 🇮🇹 1.1×
Aircraft carriers 0 1 🇮🇹
Amphibious ships 3 4 🇮🇹 1.3×
Show full breakdown · 3 more rowsHide the 3 extra rows
Patrol boats 21 19 🇪🇸 1.1×
Mine warfare 6 10 🇮🇹 1.7×
Auxiliaries 41 258 🇮🇹 6.3×
Backbone classes one per tier held
🇪🇸 SpainAgosta-class ×1Santa María-class ×6Galicia-class ×2
🇮🇹 ItalyCavour-class ×1Nazario Sauro-class ×4Horizon-class ×2
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Analyst Assessment

Verdict
Edge: Italy

Italy holds the clear overall edge over Spain, fielding a deeper and more balanced fleet: eight submarines against two, ten FREMM frigates plus two Horizon-class destroyers, and a far larger support and auxiliary tail. Spain remains a capable second-tier European navy with a strong amphibious-aviation core in Juan Carlos I and five Álvaro de Bazán air-defence frigates, but it is smaller across almost every scored category.

Domain by domain
Surface combatants Edge: Italy
🇪🇸 SpainEleven frigates: five Álvaro de Bazán AEGIS/SPY-1D air-defence ships and six ageing Santa María (Perry derivatives), with four F110 Bonifaz building to replace the latter. No destroyers.
🇮🇹 ItalyTwelve principal combatants: two Horizon-class air-defence destroyers with PAAMS/Aster and ten FREMM multirole frigates, a younger and more uniformly modern force with stronger ASW fit.
Submarines Edge: Italy
🇪🇸 SpainTwo boats only: a single legacy Agosta-class plus limited availability, with one S-80 Plus AIP submarine on order and further units expected. A genuine near-term capability trough.
🇮🇹 ItalyEight boats, including four Nazario Sauro-class and Type 212A-derived AIP units, giving a sustained Mediterranean patrol cycle and credible undersea deterrent.
Carriers & naval aviation Edge: Italy
🇪🇸 SpainOne Juan Carlos I LHD acting as STOVL carrier with AV-8B Harrier II, whose retirement horizon is not yet covered by a fixed-wing replacement in the data.
🇮🇹 ItalyOne Cavour, purpose-built and F-35B-capable, backed by amphibious decks; a longer-term fixed-wing path and larger organic rotary/ASW aviation base.
Amphibious & expeditionary Edge: Italy
🇪🇸 SpainTwo Galicia-class LPDs plus Juan Carlos I, supporting a well-regarded marine infantry tradition; small but coherent for battalion-scale lift.
🇮🇹 ItalyFour amphibious vessels including three San Giorgio-class LPDs, plus new-generation LHD capacity, giving greater simultaneous lift and sea-basing depth.
Shipbuilding & sustainment Edge: Italy
🇪🇸 SpainNavantia yards sustain frigate, submarine and LHD construction and export work; five hulls on order (F110, S-80 Plus) keep the pipeline warm despite programme delays.
🇮🇹 ItalyFincantieri delivers frigates, submarines and carriers at scale; the 108 support and 151 other hulls indicate an unusually deep auxiliary and logistic base, though no orders are listed here.
Wildcards
  • Two-ocean basing versus one Spain lists five bases spanning Ferrol and Cartagena to Las Palmas and Rota, covering Atlantic, Mediterranean and mid-Atlantic approaches. Italy's single listed base, La Spezia, reflects a more concentrated Mediterranean posture.
  • Allied access and hosting Rota hosts allied destroyer presence and serves as a major transatlantic hub, giving Spain leverage disproportionate to fleet size. Italy's ports similarly anchor NATO Mediterranean operations, with both navies deeply integrated into alliance command structures.
  • Auxiliary tail and endurance Italy's very large unscored support and other-ship count implies sustained out-of-area endurance; Spain's seven support hulls constrain independent deployment length, making coalition logistics more necessary for extended operations.
Analysis generated by a language model from the figures on this page and public sources; it is an informed reading, not a military assessment or a prediction.

Frequently Asked Questions

Which country has more naval ships, Spain or Italy?
Italy has a larger navy with 54 warships in service compared to Spain's 43.
Which navy has more submarines, Spain or Italy?
Italy operates more submarines with 8 compared to Spain's 2.
Which country has more aircraft carriers, Spain or Italy?
Italy has 1 aircraft carrier(s) compared to Spain's 0.
Which navy has more destroyers, Spain or Italy?
Italy operates 2 destroyers compared to Spain's 0.
Which navy has more frigates, Spain or Italy?
Spain operates 11 frigates compared to Italy's 10.