Military Strength:
Nigeria vs
Sierra Leone
Nigeria (ranked #59 globally) holds a stronger overall military position than Sierra Leone (#156) on the ATLAS Index. Nigeria fields 143,000 active troops — 17:1 Sierra Leone's 8,500, backed by 80,000 paramilitary. Nigeria's $1.5B defense budget is 43:1 that of Sierra Leone ($0.03B).
ATLAS (Aggregate Total of Land, Air and Sea strength) Index face-off Full ranking →
Nigeria
Sierra Leone
Pillar scores 0–100 (weight under each label) over a headline figure from that domain · each conventional pillar read after its branch's availability proxy · Methodology
Key figures
| Nigeria | Sierra Leone | Ratio | |
|---|---|---|---|
| Defense budget | $1.5B | $35M | 🇳🇬 43× |
| – share of GDP | 0.6% | 0.5% | 🇳🇬 1.2× |
| Active personnel | 143,000 | 8,500 | 🇳🇬 17× |
| Combat aircraft | 34 | 0 | 🇳🇬 |
| Warships | 133 | 0 | 🇳🇬 |
| – submarines | 0 | 0 | — |
| Main battle tanks | 330 | 0 | 🇳🇬 |
| Nuclear warheads | 0 | 0 | — |
Show full breakdown · 11 more rowsHide the 11 extra rows
| Reserve troops | 0 | 0 | — |
| Paramilitary forces | 80,000 | 0 | 🇳🇬 |
| Military aircraft (all types) | 189 | 1 | 🇳🇬 189× |
| – helicopters | 76 | 1 | 🇳🇬 76× |
| Budget share of govt spending | — | — | — |
| Budget per capita | $6 | $4 | 🇳🇬 1.6× |
| Population | 237.5M | 8.8M | 🇳🇬 27× |
| GDP | $291B | $7.5B | 🇳🇬 39× |
| GDP per capita | $1,224 | $846 | 🇳🇬 1.4× |
| Land area | 910,768 km² | 71,620 km² | 🇳🇬 13× |
| Coastline | 853 km | 402 km | 🇳🇬 2.1× |
Backbone systems most numerous in service
Defense budget history Nigeria ×0.6 · Sierra Leone ×1.7 since 2020
Military personnel history
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Frequently Asked Questions
Who has more military personnel, Nigeria or Sierra Leone?
Nigeria has approximately 143,000 active military personnel compared to Sierra Leone's 8,500, giving Nigeria a 17:1 numerical advantage.
Which country has more combat aircraft, Nigeria or Sierra Leone?
Nigeria operates 34 combat aircraft compared to Sierra Leone's 0. This includes fighters, strike aircraft, and multirole combat jets.
Who has the larger navy, Nigeria or Sierra Leone?
Nigeria has a larger navy with 133 warships compared to Sierra Leone's 0.
Which country spends more on defense, Nigeria or Sierra Leone?
Nigeria has a larger defense budget at $1.5 billion (43:1 more) compared to Sierra Leone's $35 million annually.
Do Nigeria and Sierra Leone have nuclear weapons?
Neither Nigeria nor Sierra Leone currently possesses nuclear weapons.
How do the tank forces of Nigeria and Sierra Leone compare?
Nigeria operates 330 main battle tanks compared to Sierra Leone's 0. Tank numbers reflect both active inventory and reserves.