Warscape
Simulated matchup · a model, not a forecast

France vs BelgiumMilitary comparison, and what happens if they fight

If France attacked Belgium today, with no allies joining on either side, this is what the WARSCAPE engine produced: Side A achieves its objectives after 155 days.

How the two sides compare

France keeps 8.7 times as many soldiers under arms. France has tanks and Belgium has none. France has 6.4 times the combat aircraft. France spends 4.9 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.

FranceBelgium
203,900Active soldiers23,500
38,100Reservists5,900
222Tanks0
110Artillery20
282Combat aircraft44
400Helicopters30
$70.7bnDefence budget$14.5bn
68.7mPopulation11.9m

What the war cost

France
attacked
8,384
soldiers killed or wounded
24
tanks destroyed
53
aircraft lost
+10
areas of land gained
55%
support at home, at the end
Belgium
defended
1,072
soldiers killed or wounded
1
tanks destroyed
26
aircraft lost
−10
areas of land lost
29%
support at home, at the end

What decided it

01
Mobilisation helped France
Reservists mobilised: 213,391 vs 4,009.
02
Deployed combat power helped France
Average deployed combat power: 54 vs 8 model units.
03
Air situation helped France
Average share of air control for France: 79%.
04
Logistics helped France
Average front-line supply efficiency: 89% vs 73%.
05
Political cohesion helped France
Average cohesion: 62% vs 50%.
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

Germany vs Belgium
Ceasefire, front frozen after 316 days
Belgium vs Luxembourg
Side A achieves its objectives after 125 days
Netherlands vs Belgium
Defender holds after 351 days
France vs Spain
Ceasefire, front frozen after 250 days
France vs Switzerland
Side A achieves its objectives after 137 days
France vs Germany
Defender holds after 274 days
All matchups →
After 155 simulated days the conflict between France and Belgium ended with: Side A achieves its objectives (capital captured). Aggregate personnel losses within the model: 8,384 (France) and 1,072 (Belgium). 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.