Navy comparison:
Japan vs
Taiwan
Japan operates 103 warships compared to 86 for Taiwan. Counting auxiliaries, reserve and non-commissioned hulls, the fleets number 158 and 90.
SEAS (Sea Equipment Aggregate Strength) Index face-off Full ranking →
Japan
Taiwan
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 | Taiwan | Ratio | |
|---|---|---|---|
| Official name | Japan Maritime Self-Defense Force | Republic of China Navy | |
| Total ships | 158 | 90 | 🇯🇵 1.8× |
| Active ships | 158 | 90 | 🇯🇵 1.8× |
| On order / planned | 19 | 14 | 🇯🇵 1.4× |
| Submarines | 22 | 4 | 🇯🇵 5.5× |
| Principal surface combatants | 52 | 25 | 🇯🇵 2.1× |
| Aircraft carriers | 2 | 0 | 🇯🇵 |
| Amphibious ships | 3 | 8 | 🇹🇼 2.7× |
Show full breakdown · 5 more rowsHide the 5 extra rows
| Corvettes | 0 | 8 | 🇹🇼 |
| Patrol boats | 6 | 1 | 🇯🇵 6.0× |
| Mine warfare | 18 | 10 | 🇯🇵 1.8× |
| Coastal boats | 0 | 30 | 🇹🇼 |
| Auxiliaries | 55 | 4 | 🇯🇵 14× |
Backbone classes one per tier held
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Frequently Asked Questions
Which country has more naval ships, Japan or Taiwan?
Japan has a larger navy with 103 warships in service compared to Taiwan's 86.
Which navy has more submarines, Japan or Taiwan?
Japan operates more submarines with 22 compared to Taiwan's 4.
Which country has more aircraft carriers, Japan or Taiwan?
Japan has 2 aircraft carrier(s) compared to Taiwan's 0.
Which navy has more destroyers, Japan or Taiwan?
Japan operates 42 destroyers compared to Taiwan's 4.
Which navy has more frigates, Japan or Taiwan?
Taiwan operates 21 frigates compared to Japan's 10.