Brussels logs 3 hot days a year to Liège's 6 — Brussels wins by 3. Brussels also leads on frost days by 7.

Brussels runs about $2,824/mo for a balanced lifestyle against Liège's $2,354/mo — Liège comes in $470 cheaper each month, roughly 20% less.

On mobility, Brussels scores 3.2 vs Liège's 2.2 (0–5 scale), with the biggest gap on flight connectivity. Liège still holds an edge on car efficiency.

Brussels's culture score of 4.0 sits well above Liège's 2.2, with the biggest gap on arts & culture.

Brussels and Liège score neck-and-neck on nature & outdoors (3.5 vs 3.5, 0–5 scale).

Liège's safety score is ~1.2× Brussels's — in the middle of the scale, while Brussels lands in the middle of the scale, with the biggest gap on property crime safety. Brussels still holds an edge on earthquake safety.

Brussels's career score of 3.9 sits well above Liège's 2.7, with the biggest gap on career opportunities.

Brussels's social & community score is ~1.3× Liège's — in the upper band, while Liège lands in the middle of the scale, with the biggest gap on expat-first community.

On food & dining, Brussels scores 3.6 vs Liège's 2.2 (0–5 scale), with the biggest gap on food delivery.

On family, Brussels scores 3.3 vs Liège's 1.9 (0–5 scale), with the biggest gap on international schools.

Brussels and Liège score neck-and-neck on healthcare (3.0 vs 3.0, 0–5 scale).

Brussels averages 9.4 µg/m³ (good) PM2.5 annually versus Liège's 9.0 µg/m³ (good) — Liège breathes ~5% cleaner air (0.5 µg/m³ lower).

Who Thrives Here