Compare.
Side-by-Side Comparisons of Countries, Power Sources, Reactors, and Carbon Footprints.
Countries & Zones
Live grid data from ElectricityMaps (zone shown may be a sub-national balancing area). National context from Our World in Data (latest year in their energy dataset).
Choose 2–4 regions; click a selected country again to remove it when more than 2 remain. Dark grey countries are not available to be chosen.
| Region | ElectricityMaps (live) | Our World in Data |
|---|---|---|
USA US-CAL-CISO | Loading… | Loading… |
France FR | Loading… | Loading… |
Germany DE | Loading… | Loading… |
Power Sources
Electricity mix shares from Our World in Data; shown for selected regions.
| Region | Fossil fuels | Nuclear | Hydro & renewables |
|---|---|---|---|
| USA | 70.1% | 19.9% | 9.4% |
| France | 13.5% | 72.9% | 13.6% |
| Germany | 67.9% | 28.4% | 3.7% |
CO₂ Output Per Capita
Metric tons of CO₂ per person per year in 2023 (production-based fossil CO₂). World Bank / Our World in Data (Global Carbon Budget, 2025 release)
| Region | CO₂ per capita |
|---|---|
| USA | 13.90 t |
| France | 4.10 t |
| Germany | 8.90 t |
Nuclear Over Time
Share of electricity from nuclear (%), from Our World in Data. Hover the chart to read each country's nearest data point to the year under the cursor.
Data Sources
The comparison datasets used on this page are sourced from the following peer-reviewed, open-access publications.