Marseille logs 0 frost days a year to Nantes's 15 — Marseille wins by 15. Marseille also leads on hot days by 6.

Marseille runs about $2,219/mo for a balanced lifestyle against Nantes's $2,157/mo — Nantes comes in $62 cheaper each month, roughly 3% less.

On mobility, Nantes scores 3.2 vs Marseille's 2.8 (0–5 scale), with the biggest gap on cycling infrastructure. Marseille still holds an edge on flight connectivity.

Marseille's culture score of 3.8 sits well above Nantes's 3.5, with the biggest gap on history museums.

Marseille's nature & outdoors score of 4.3 sits well above Nantes's 4.0, with the biggest gap on mountain access. Nantes still holds an edge on lakes & rivers.

Nantes's safety score is ~2.2× Marseille's — in the upper band, while Marseille lands below average, with the biggest gap on wildfire safety.

Marseille's career score of 3.6 sits well above Nantes's 3.3, with the biggest gap on coworking infrastructure.

Marseille's social & community score of 3.1 sits well above Nantes's 2.8, with the biggest gap on multicultural mix. Nantes still holds an edge on admin english support.

On food & dining, Marseille scores 3.6 vs Nantes's 2.6 (0–5 scale), with the biggest gap on restaurant variety.

On family, Marseille scores 3.1 vs Nantes's 2.7 (0–5 scale), with the biggest gap on international schools. Nantes still holds an edge on playgrounds.

On healthcare, Nantes scores 3.7 vs Marseille's 3.0 (0–5 scale), with the biggest gap on public healthcare quality.

Marseille averages 9.4 µg/m³ (good) PM2.5 annually versus Nantes's 8.6 µg/m³ (good) — Nantes breathes ~8% cleaner air (0.7 µg/m³ lower).

Who Thrives Here