Air Forces comparison: 
Nigeria vs 
Sierra Leone
Nigeria's air force fields 189 active aircraft — 189:1 Sierra Leone's 1.
AIRS (Air Inventory Rating of Strength) Index face-off Full ranking →
Nigeria
Sierra Leone
Bars: weighted contribution to the AIRS Index (airframes × category weight; combat and bombers by generation tier, helicopters by era; the enabler, armament and availability multipliers apply on top) · figures: active airframes at each side's latest inventory year · Methodology
Key figures as of 2026
| Nigeria | Sierra Leone | Ratio | |
|---|---|---|---|
| Official name | Nigerian Air Force | Sierra Leone Defence Force Air Force | |
| Active aircraft | 189 | 1 | 🇳🇬 189× |
| Aircraft on order | 106 | 0 | 🇳🇬 |
| Combat aircraft | 34 | 0 | 🇳🇬 |
| Combat share of fleet | 18.0 % | 0.0 % | 🇳🇬 |
| Aircraft types in service | 33 | 1 | 🇳🇬 33× |
| Main supplier | Italy · 23 % | Ex-USSR · 100 % |
Show full breakdown · 5 more rowsHide the 5 extra rows
| Helicopters | 76 | 1 | 🇳🇬 76× |
| Transport aircraft | 18 | 0 | 🇳🇬 |
| Special-mission aircraft | 8 | 0 | 🇳🇬 |
| Trainers | 27 | 0 | 🇳🇬 |
| UAVs | 26 | 0 | 🇳🇬 |
Backbone aircraft most numerous in service
🇸🇱 Sierra LeoneMi-17 Hip-H ×1
Fleet evolution · Nigeria
Fleet evolution · Sierra Leone
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Frequently Asked Questions
Which country has more military aircraft, Nigeria or Sierra Leone?
Nigeria has more military aircraft with 189 active aircraft compared to Sierra Leone's 1, a difference of 188 aircraft.
Which air force has more combat aircraft, Nigeria or Sierra Leone?
Nigeria has more combat aircraft with 34 fighters and attack aircraft compared to Sierra Leone's 0.
Which country has more military helicopters, Nigeria or Sierra Leone?
Nigeria operates more military helicopters with 76 compared to Sierra Leone's 1.
Which air force has more transport aircraft, Nigeria or Sierra Leone?
Nigeria has more transport aircraft with 18 compared to Sierra Leone's 0.
How do the Nigeria and Sierra Leone air forces compare in size?
Nigeria's air force is 189.0 times larger than Sierra Leone's in terms of total active aircraft (189 vs 1).
Which country has more aircraft on order, Nigeria or Sierra Leone?
Nigeria has 106 aircraft on order compared to Sierra Leone's 0.