Navy comparison: 
Eritrea vs 
South Africa
South Africa's 49-ship navy outnumbers Eritrea's 23 vessels (2.1:1 advantage).
SEAS (Sea Equipment Aggregate Strength) Index face-off Full ranking →
EritreaWorld #75
5.5
SEAS Index / 100
South Africa leads on 4 of 5 categories
South AfricaWorld #42
17.8
Eritrea
South Africa
Bars: weighted contribution to the SEAS Index (hulls × category weight) · figures: active hulls at each side's latest inventory year · Methodology
Key figures Eritrea as of 2025 · South Africa as of 2026
| Eritrea | South Africa | Ratio | |
|---|---|---|---|
| Official name | Eritrean Navy | South African Navy | |
| Total ships | 23 | 49 | 🇿🇦 2.1× |
| Active ships | 23 | 49 | 🇿🇦 2.1× |
| Submarines | 0 | 3 | 🇿🇦 |
| Principal surface combatants | 0 | 4 | 🇿🇦 |
Show full breakdown · 4 more rowsHide the 4 extra rows
| Patrol boats | 13 | 33 | 🇿🇦 2.5× |
| Mine warfare | 0 | 2 | 🇿🇦 |
| Coastal boats | 5 | 0 | 🇪🇷 |
| Auxiliaries | 5 | 7 | 🇿🇦 1.4× |
Backbone classes one per tier held
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Frequently Asked Questions
Which country has more naval ships, Eritrea or South Africa?
South Africa has a larger navy with 49 ships compared to Eritrea's 23 ships.
Which navy has more submarines, Eritrea or South Africa?
South Africa operates more submarines with 3 compared to Eritrea's 0.
Which navy has more frigates, Eritrea or South Africa?
South Africa operates 4 frigates compared to Eritrea's 0.
How do the Eritrea and South Africa navies compare in size?
South Africa's navy is 2.1 times larger than Eritrea's in terms of total ships (49 vs 23).