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Military Strength: Flag of Romania Romania vs Flag of Serbia Serbia

Romania (ranked #46 globally) holds a stronger overall military position than Serbia (#63) on the ARMS Index. Romania fields 128,000 active troops — 4.0:1 Serbia's 32,000, backed by 55,000 reserves and 57,000 paramilitary. Romania's $8.8B defense budget is 3.9:1 that of Serbia ($2.3B).

Military Strength
Romania Serbia
ARMS Index 41.2 (#46) 33.5 (#63)
Military personnel 128,000 32,000
– Reserve troops 55,000 50,150
– Paramilitary forces 57,000 3,000
Military aircraft 166 132
– incl. combat aircraft 49 32
– incl. bombers 0 0
– incl. helicopters 64 61
Military ships 33 30
– incl. aircraft carriers 0 0
– incl. submarines 0 0
Main battle tanks 328 262
Nuclear warheads 0 0
Military Forces Chart

ARMS Index

Full ranking →
🇷🇴 Romania World #46
41.2/ 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% 67.1 113900 effective
Ground forces 20% 59.1 328 main battle tanks
Naval power 20% 31.5 Carrier tiers, nuclear vs conventional submarines
Air power 25% 41.7 Weighted by aircraft type & fleet age
Nuclear deterrent 10% 0.0 No declared capability
Defense budget 10% 51.6 $8.8B, PPP-adjusted
Readiness modifier ×1.08 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
Romania Serbia
Population 19.1 million 6.6 million
GDP $382.6 billion $90.1 billion
GDP per capita $20,080 $13,679
Military budget $8.8B $2.3B
– share of GDP 2.3% 2.5%
– share of govt spending 0.0% 0.0%
– per capita spending $462 $342
Land area 231,291 km² 88,246 km²
Coastline 225 km 0 km
Military Budget Evolution
Military Personnel Evolution
Economic Metrics Chart
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Frequently Asked Questions

Who has more military personnel, Romania or Serbia?
Romania has approximately 128,000 active military personnel compared to Serbia's 32,000, giving Romania a 4.0:1 numerical advantage.
Which country has more combat aircraft, Romania or Serbia?
Romania operates 49 combat aircraft compared to Serbia's 32. This includes fighters, strike aircraft, and multirole combat jets.
Who has the larger navy, Romania or Serbia?
Romania has a larger navy with 33 vessels compared to Serbia's 30 ships.
Which country spends more on defense, Romania or Serbia?
Romania has a larger defense budget at $8.8 billion (3.9:1 more) compared to Serbia's $2.3 billion annually.
Do Romania and Serbia have nuclear weapons?
Neither Romania nor Serbia currently possesses nuclear weapons.
How do the tank forces of Romania and Serbia compare?
Romania operates 328 main battle tanks compared to Serbia's 262. Tank numbers reflect both active inventory and reserves.