Navy comparison: Japan vs South Korea
🇯🇵 Japan Maritime Self-Defense Force
| Official Name | Japan Maritime Self-Defense Force |
| Total ships | 154 |
| Active ships | 154 |
| Naval Ensign |
|
🇰🇷 Republic of Korea Navy
| Official Name | Republic of Korea Navy |
| Total ships | 155 |
| Active ships | 155 |
| Naval Ensign |
|
🇯🇵 Japanese ships by category
| Ship category | Total | |
|---|---|---|
| Submarines | 25 | |
| Aircraft carriers | 0 | |
| Destroyers | 46 | |
| Cruisers | 0 | |
| Frigates | 4 | |
| Corvettes | 0 | |
| Coastal boats | 0 | |
| Patrol boats | 6 | |
| Amphibious ships | 16 | |
| Mine Warfare ships | 22 | |
| Cargo ships | 0 | |
| Support ships | 10 | |
| Other ships | 25 | |
🇰🇷 South Korean ships by category
| Ship category | Total | |
|---|---|---|
| Submarines | 22 | |
| Aircraft carriers | 0 | |
| Destroyers | 13 | |
| Cruisers | 0 | |
| Frigates | 17 | |
| Corvettes | 6 | |
| Coastal boats | 0 | |
| Patrol boats | 35 | |
| Amphibious ships | 23 | |
| Mine Warfare ships | 23 | |
| Cargo ships | 0 | |
| Support ships | 4 | |
| Other ships | 12 | |