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Military Strength: Flag of Bulgaria Bulgaria vs Flag of Serbia Serbia

Military Strength
Bulgaria Serbia
Global Military Index 34.3 (#62) 33.5 (#63)
Military personnel 37,000 32,000
– Reserve troops 3,000 50,150
– Paramilitary forces 0 3,000
Military aircraft 79 132
– incl. combat aircraft 27 32
– incl. bombers 0 0
– incl. helicopters 29 61
Military ships 20 30
– incl. aircraft carriers 0 0
– incl. submarines 0 0
Main battle tanks 90 262
Nuclear warheads 0 0
Military Forces Chart

Overview

Bulgaria (ranked #62 globally) holds a stronger overall military position than Serbia (#63) on the Global Military Index. Bulgaria fields 37,000 active troops vs 32,000 for Serbia, backed by 3,000 reserves. Bulgaria allocates $2.4B to defense compared to $2.3B for Serbia.

In the air, Bulgaria operates 79 aircraft including 27 combat jets, while Serbia fields 132 with 32 fighters.

At sea, Bulgaria's 20-ship navy faces Serbia's 30 vessels. On the ground, Bulgaria deploys 90 main battle tanks vs 262 for Serbia.

Neither Bulgaria nor Serbia possesses nuclear weapons.

Global Military Index

Full ranking →
🇧🇬 Bulgaria World #62
34.3/ 100
Six-pillar composite: manpower, ground forces, naval power, air power, nuclear deterrent and defense budget, with a readiness modifier from budget per soldier. Full methodology.
Pillar Weight Score Basis
Manpower 15% 57.4 38450 effective
Ground forces 20% 49.9 90 main battle tanks
Naval power 20% 31.3 Carrier tiers, nuclear vs conventional submarines
Air power 25% 36.0 Weighted by aircraft type & fleet age
Nuclear deterrent 10% 0.0 No declared capability
Defense budget 10% 40.3 $2.4B, PPP-adjusted
Readiness modifier ×1.04 Budget per soldier
🇷🇸 Serbia World #63
33.5/ 100
Six-pillar composite: manpower, ground forces, naval power, air power, nuclear deterrent and defense budget, with a readiness modifier from budget per soldier. Full methodology.
Pillar Weight Score Basis
Manpower 15% 60.4 54125 effective
Ground forces 20% 54.4 262 main battle tanks
Naval power 20% 14.4 Carrier tiers, nuclear vs conventional submarines
Air power 25% 38.9 Weighted by aircraft type & fleet age
Nuclear deterrent 10% 0.0 No declared capability
Defense budget 10% 39.8 $2.3B, PPP-adjusted
Readiness modifier ×1.05 Budget per soldier

Country Profile

Economy & Geography
Bulgaria Serbia
Population 6.4 million 6.6 million
GDP $113.3 billion $90.1 billion
GDP per capita $17,596 $13,679
Military budget $2.4B $2.3B
– share of GDP 2.1% 2.5%
– share of govt spending 0.0% 0.0%
– per capita spending $370 $342
Land area 108,612 km² 88,246 km²
Coastline 354 km 0 km
Military Budget Evolution
Military Personnel Evolution
Economic Metrics Chart
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Frequently Asked Questions

Who has more military personnel, Bulgaria or Serbia?
Bulgaria has approximately 37,000 active military personnel compared to Serbia's 32,000.
Which country has more combat aircraft, Bulgaria or Serbia?
Serbia operates 32 combat aircraft compared to Bulgaria's 27. This includes fighters, strike aircraft, and multirole combat jets.
Who has the larger navy, Bulgaria or Serbia?
Serbia has a larger navy with 30 vessels compared to Bulgaria's 20 ships.
Which country spends more on defense, Bulgaria or Serbia?
Bulgaria has a larger defense budget at $2.4 billion compared to Serbia's $2.3 billion annually.
Do Bulgaria and Serbia have nuclear weapons?
Neither Bulgaria nor Serbia currently possesses nuclear weapons.
How do the tank forces of Bulgaria and Serbia compare?
Serbia operates 262 main battle tanks compared to Bulgaria's 90. Tank numbers reflect both active inventory and reserves.