Navy comparison: South Korea vs United States
United States's 474-ship navy outnumbers South Korea's 155 vessels (3.1x advantage). Of these, 155 and 243 are in active service respectively. The fleet breakdown includes 22 vs 71 submarines, 0 vs 11 aircraft carriers, 13 vs 78 destroyers, 17 vs 1 frigates, 6 vs 33 corvettes, 23 vs 58 amphibious ships, 35 vs 0 patrol boats, 23 vs 4 mine warfare ships (South Korea vs United States). South Korea's navy is officially the Republic of Korea Navy, while United States's is the United States Navy.
Republic of Korea Navy 🇰🇷
| Official Name | Republic of Korea Navy |
| Total ships | 155 as of 2025 |
| Active ships | 155 as of 2025 |
| Naval Ensign |
|
United States Navy 🇺🇸
| Official Name | United States Navy |
| Total ships | 474 as of 2025 |
| Active ships | 243 as of 2025 |
| Naval Ensign |
|
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 | |
United States ships by category
| Ship category | Total | |
|---|---|---|
| Submarines | 71 | |
| Aircraft carriers | 11 | |
| Destroyers | 78 | |
| Cruisers | 18 | |
| Frigates | 1 | |
| Corvettes | 33 | |
| Coastal boats | 0 | |
| Patrol boats | 0 | |
| Amphibious ships | 58 | |
| Mine Warfare ships | 4 | |
| Cargo ships | 83 | |
| Support ships | 81 | |
| Other ships | 36 | |
Ship Categories Radar Comparison
Frequently Asked Questions
Which country has more naval ships, South Korea or United States?
United States has a larger navy with 474 ships compared to South Korea's 155 ships.
Which navy has more submarines, South Korea or United States?
United States operates more submarines with 71 compared to South Korea's 22.
Which country has more aircraft carriers, South Korea or United States?
United States has 11 aircraft carrier(s) compared to South Korea's 0.
Which navy has more destroyers, South Korea or United States?
United States operates 78 destroyers compared to South Korea's 13.
Which navy has more frigates, South Korea or United States?
South Korea operates 17 frigates compared to United States's 1.
How do the South Korea and United States navies compare in size?
United States's navy is 3.1 times larger than South Korea's in terms of total ships (474 vs 155).