Military Strength: Guinea-Bissau vs Sierra Leone

Overview

Guinea-Bissau (ranked #149 globally) holds a stronger overall military position than Sierra Leone (#159) on the Global Military Index. Sierra Leone fields 9,000 active troops — 2.2x Guinea-Bissau's 4,000. Guinea-Bissau allocates $0.03B to defense compared to $0.03B for Sierra Leone.

Sierra Leone operates 1 military aircraft; Guinea-Bissau has no significant air force.

On the ground, Guinea-Bissau deploys 10 main battle tanks vs 0 for Sierra Leone.

Neither Guinea-Bissau nor Sierra Leone possesses nuclear weapons.

Guinea-Bissau Military Strength 🇬🇼

Global Military Index	9.5 (#149) ◉
🪖 Military personnel	4,000 ◉
– Reserve troops	0 ◉
– Paramilitary forces	0 ◉
🛩️ Military aircraft	0 ◉
– incl. combat aircraft	0 ◉
– incl. bombers	0 ◉
– incl. helicopters	0 ◉
⚓️ Military ships	0 ◉
– incl. aircraft carriers	0 ◉
– incl. submarines	0 ◉
🚛 Main battle tanks	10 ◉
💥 Nuclear warheads	0 ◉

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Sierra Leonean Military Strength 🇸🇱

Global Military Index	6.5 (#159) ◉
🪖 Military personnel	9,000 ◉
– Reserve troops	0 ◉
– Paramilitary forces	0 ◉
🛩️ Military aircraft	1 ◉
– incl. combat aircraft	0 ◉
– incl. bombers	0 ◉
– incl. helicopters	1 ◉
⚓️ Military ships	0 ◉
– incl. aircraft carriers	0 ◉
– incl. submarines	0 ◉
🚛 Main battle tanks	0 ◉
💥 Nuclear warheads	0 ◉

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🇬🇼 Guinea-Bissau Global Military Index

9.5

Global Rank: #149

🪖 Manpower (15%)	39.8	Active, reserve & paramilitary: 4450 effective
🛡️ Ground Forces (20%)	26.6	Tanks, armor & artillery, weighted by type — 10 main battle tanks
⚓ Naval Power (20%)	0.0	Weighted by ship type: carrier tiers, nuclear vs conventional submarines...
✈️ Air Power (25%)	0.0	Weighted by aircraft type and fleet age: combat, bombers, drones...
☢️ Nuclear Deterrent (10%)	0.0	No declared nuclear capability
💰 Defense Budget (10%)	10.3	$0.0B annual military spending, purchasing-power adjusted
🎯 Readiness (modifier)	×0.87	Budget per soldier — proxy for training, maintenance & technology

🇸🇱 Sierra Leone Global Military Index

6.5

Global Rank: #159

🪖 Manpower (15%)	44.8	Active, reserve & paramilitary: 8500 effective
🛡️ Ground Forces (20%)	0.0	Tanks, armor & artillery, weighted by type
⚓ Naval Power (20%)	0.0	Weighted by ship type: carrier tiers, nuclear vs conventional submarines...
✈️ Air Power (25%)	2.8	Weighted by aircraft type and fleet age: combat, bombers, drones...
☢️ Nuclear Deterrent (10%)	0.0	No declared nuclear capability
💰 Defense Budget (10%)	11.6	$0.0B annual military spending, purchasing-power adjusted
🎯 Readiness (modifier)	×0.85	Budget per soldier — proxy for training, maintenance & technology

GMNET WARGAME // STRATEGIC SIMULATION

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Wargame Analysis: Who Would Win?

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This analysis is a speculative scenario generated by artificial intelligence for informational and entertainment purposes only. It does not constitute a military assessment and should not be interpreted as a prediction of any real-world outcome.

Guinea-Bissau Statistics

Population	2.2 million ◉
GDP	$2.2 billion ◉
GDP per capita	$1,008 ◉
Military Budget	$26.6 million ◉
Share of GDP in Milex	1.2% ◉
Share of Govt Expenditures	0.0%
Military spends per capita	$12 ◉

Sierra Leonean Statistics

Population	8.6 million ◉
GDP	$7.0 billion ◉
GDP per capita	$807 ◉
Military Budget	$34.9 million ◉
Share of GDP in Milex	0.5% ◉
Share of Govt Expenditures	0.0%
Military spends per capita	$4 ◉

Guinea-Bissau Geography

Land Area	28,120 km² ◉
Coastline Length	350 km ◉

Sierra Leone Geography

Land Area	71,620 km² ◉
Coastline Length	402 km ◉

Military Forces Chart

Economic Metrics Chart

Military Budget Evolution

Military Personnel Evolution

See where Guinea-Bissau and Sierra Leone stand among the strongest militaries in the world (2026 ranking).

Frequently Asked Questions

Who has more military personnel, Guinea-Bissau or Sierra Leone?

Sierra Leone has approximately 9,000 active military personnel compared to Guinea-Bissau's 4,000, giving Sierra Leone a 2:1 numerical advantage.

Which country spends more on defense, Guinea-Bissau or Sierra Leone?

Sierra Leone has a larger defense budget at $35 million compared to Guinea-Bissau's $27 million annually.

Do Guinea-Bissau and Sierra Leone have nuclear weapons?

Neither Guinea-Bissau nor Sierra Leone currently possesses nuclear weapons.

How do the tank forces of Guinea-Bissau and Sierra Leone compare?

Guinea-Bissau operates 10 main battle tanks compared to Sierra Leone's 0. Tank numbers reflect both active inventory and reserves.