Warscape
Simulated matchup · a model, not a forecast

Serbia vs MontenegroMilitary comparison, and what happens if they fight

If Serbia attacked Montenegro today, with no allies joining on either side, this is what the WARSCAPE engine produced: Defender holds after 365 days.

How the two sides compare

Serbia keeps 9.8 times as many soldiers under arms. Serbia has tanks and Montenegro has none. Serbia has combat aircraft and Montenegro has none. Serbia spends 14 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.

SerbiaMontenegro
28,150Active soldiers2,885
50,150Reservists2,800
265Tanks0
300Artillery20
30Combat aircraft0
50Helicopters13
$2.5bnDefence budget$0.2bn
6.5mPopulation0.6m

What the war cost

Serbia
attacked
517
soldiers killed or wounded
3
tanks destroyed
13
aircraft lost
0
land changed hands
35%
support at home, at the end
Montenegro
defended
50
soldiers killed or wounded
0
tanks destroyed
0
aircraft lost
0
land changed hands
20%
support at home, at the end

What decided it

01
Mobilisation helped Serbia
Reservists mobilised: 128,301 vs 1,058.
02
Deployed combat power helped Serbia
Average deployed combat power: 9 vs 1 model units.
03
Air situation helped Serbia
Average share of air control for Serbia: 81%.
04
Logistics helped Montenegro
Average front-line supply efficiency: 42% vs 69%.
05
Economic resilience helped Serbia
Average economic stability index: 0.96 vs 0.73.
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

Albania vs Montenegro
Defender holds after 365 days
Serbia vs Croatia
Defender holds after 258 days
Bulgaria vs Serbia
Defender holds after 190 days
Bosnia & Herz. vs Montenegro
Defender holds after 210 days
Serbia vs Bosnia & Herz.
Defender holds after 318 days
Hungary vs Serbia
Defender holds after 304 days
All matchups →
After 365 simulated days the conflict between Serbia and Montenegro ended with: Defender holds (duration limit reached). Aggregate personnel losses within the model: 517 (Serbia) and 50 (Montenegro). 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.