Social · INSEE · SDES · 2022 vintage · 28.4 M metropolitan workers · DENS7 aggregates.
Commuting mobility: rural workers emit 2.24× more CO₂ than dense urban workers
Are rural and peri-urban workers penalised by more carbon-intensive, longer commutes than their urban counterparts?
Overview: distance and emissions by territory
Commute distance and per-trip emissions by territory type
Data details
Average commuting emissions
702 kg CO₂eq/year
Metropolitan workers, 2022 vintage
Rural vs dense urban premium
2.24×
Ratio of average weekly emissions
Car modal share
69 %
Main mode reported in census
Trips over 30 km
14 %
One-way home-to-work distance
Key facts
- 702 kg CO₂eq/year on average per worker for home-to-work trips (2022 vintage, metropolitan France).
- Rural residents emit 2.24× more weekly GHG than dense urban residents (1012 vs 453 kg/year).
- 69% of workers mainly drive; 14% commute more than 30 km one way.
- A 10-point modal shift from car to public transit would save ~2.3 Mt CO₂eq/year (812 kg/year per shifted worker, illustrative scenario).
Home-to-work mobility: reading territorial inequalities
INSEE and SDES estimate commuting GHG from the 2022 census, enriched with the Person Mobility Survey, Metric-OSRM routing and ADEME emission factors. Published aggregates cover 28.4 million metropolitan workers in three territory types using the DENS7 2025 density grid.
Distance · Distance and emissions
Distance and emissions
"Farther means more carbon"
Average distance rises from 17.9 km in dense urban areas to 25.4 km in rural territory.
Annual emissions follow the same gradient: 453 kg CO₂eq/year in dense urban areas vs 1012 kg/year in rural areas (2.24× ratio).
Modes · Modal shares
Modal shares
"Car dominance outside dense cores"
Driving reaches 86% in rural areas vs 54% in dense urban cores; public transit share drops as density falls.
14% of workers exceed 30 km one way: a captive-car population with little realistic walking or cycling alternative without adapted rail service.
Why multiple series?
Why such gaps? Residential density shapes public transport supply, job-housing proximity and captive car trips. Mode emission factors also differ: a solo car week emits roughly 20× more CO₂eq than an equivalent public transit week.
Analogy: comparing commutes is like measuring the energy bill of a mandatory trip. In rural areas, distance and lack of alternatives make the car as essential as winter heating: carbon cost is often a territorial constraint, not an individual preference.
What this is not
- Home-to-work scope only: no leisure travel or freight.
- Metropolitan France: overseas territories and workers without a computable trip are excluded from CO₂ scope.
- Tank-to-wheel emissions only: upstream energy and infrastructure excluded.
- Territory-type aggregates (DENS7 density): no commune-level map in this insight.
- 2022 vintage: before full post-Covid telework effects on mobility patterns.
Modal share by territory type (%)
What these figures do not show
Metropolitan France home-to-work trips · 2022 vintage · tank-to-wheel emissions. Territory types: DENS7 2025 grid collapsed to dense urban (1–2), intermediate (3–4), rural (5–7). Mandatory pre-aggregation of the ~330 MB ZIP (7 M rows): web export limited to territory-type aggregates. Overseas territories, workers without a computable trip and distances over 100 km excluded from CO₂ scope. ADEME/EMP emission factors · no financial commuting cost measure.
Sources
Estimation des émissions individuelles de GES · déplacements domicile-travail (2022)INSEE · SDES · 2026-05-29