Warscape
Simulated matchup · a model, not a forecast

🇧🇬 Bulgaria vs 🇷🇸 SerbiaMilitary comparison, and what happens if they fight

If Bulgaria attacked Serbia today, with no allies joining on either side, this is what the WARSCAPE engine produced: Defender holds after 190 days.

How the two militaries compare

Bulgaria and Serbia field armies of a similar size. Serbia has 2.6 times the tanks. Serbia has 1.7 times the combat aircraft. Bulgaria spends 1.3 times as much on defence. Public, country-level figures from the data snapshot the run was pinned to (2026.09). See data sources for where each number comes from.

BulgariaSerbia
27,000Active soldiers25,000
3,000Reservists50,000
90Tanks230
200Artillery300
15Combat aircraft25
30Helicopters50
$2.0bnDefence budget$1.5bn
6.5mPopulation6.6m

What the war cost

Bulgaria
attacked
1,593
soldiers killed or wounded
8
tanks destroyed
9
aircraft lost
0
land changed hands
32%
support at home, at the end
Serbia
defended
845
soldiers killed or wounded
9
tanks destroyed
13
aircraft lost
0
land changed hands
54%
support at home, at the end

What decided it

01
Mobilisation helped Bulgaria
Reservists mobilised: 99,133 vs 28,961.
02
Air situation helped Serbia
Average share of air control for Bulgaria: 38%.
03
Logistics helped Bulgaria
Average front-line supply efficiency: 70% vs 51%.
04
Deployed combat power helped Serbia
Average deployed combat power: 6 vs 8 model units.
05
Political cohesion helped Serbia
Average cohesion: 41% vs 57%.
Think it would go differently?

This run assumed no allies, winter, full mobilization for the attacker and partial for the defender, and no nuclear weapons. Change any of that and watch it play out day by day on the map.

Other borders in this neighbourhood

🇬🇷 Greece vs 🇧🇬 Bulgaria
Ceasefire, front frozen after 103 days
🇷🇴 Romania vs 🇧🇬 Bulgaria
Ceasefire, front frozen after 346 days
🇹🇷 Turkey vs 🇧🇬 Bulgaria
Ceasefire, front frozen after 152 days
🇷🇸 Serbia vs 🇭🇷 Croatia
Defender holds after 258 days
🇧🇬 Bulgaria vs 🇲🇰 North Macedonia
Ceasefire, front frozen after 288 days
🇷🇸 Serbia vs 🇧🇦 Bosnia & Herz.
Defender holds after 318 days
All matchups →
After 190 simulated days the conflict between Bulgaria and Serbia ended with: Defender holds (prolonged stalemate). Aggregate personnel losses within the model: 1,593 (Bulgaria) and 845 (Serbia). This page reports one seeded run of a model on public, aggregate data. It is not a prediction, and no operational information is used.

Model-generated simulation on public, country-level data. Not a prediction. No operational, classified or real-time information is used.