Highest CO2 Emissions Per Capita Countries (2026)

What this list shows

This page ranks the top 25 countries by territorial CO₂ emissions per capita—tonnes of CO₂ equivalent emitted per person per year. Territorial emissions count what is produced within a country's borders: energy, industry, transport, and land use. The metric normalizes by population, so small countries with energy-intensive economies can rank very high even if their total emissions are modest. Qatar, Luxembourg, and Gulf states often appear at the top because of fossil fuel extraction, refining, cross-border fuel sales, or high per-person energy use.

This list is distinct from the main global pillar page, which offers the full ranking and broader context. Here we focus specifically on the highest emitters and why they rank where they do.

Common patterns

Countries at the top of this list tend to share several traits: heavy reliance on fossil fuels, oil and gas production or refining, energy-intensive industry, high car ownership and air travel, and often small populations that amplify per capita figures. Wealthy Gulf states benefit from cheap domestic energy and export-oriented hydrocarbon sectors. Luxembourg's high numbers reflect cross-border fuel sales to neighboring countries. Australia and Canada combine large land area, car-centric transport, and fossil-fuel-heavy electricity. Understanding these patterns helps explain why some countries rank above the global median by a wide margin.

How to interpret extremes

Very high per capita emissions do not necessarily mean a country has the largest total impact—population size matters for that. But they do indicate that the average resident has a much larger carbon footprint than people in most other countries. Climate fairness debates often cite per capita metrics: historically, high-income countries have emitted far more per person than low-income ones. Today, reducing per capita emissions in top-emitting countries is central to meeting global climate targets. Use this list as a starting point to explore country profiles, compare neighbors, and understand drivers of emissions.

Limits and data notes

Data years vary by country; we use the latest available. Territorial emissions exclude carbon embedded in imports—consumption-based accounting can shift rankings for trade-heavy nations. Small populations and unusual economies (e.g., aviation hubs, financial centers) can produce outlier figures. Rankings may differ slightly between sources depending on methodology. For full details on data sources and calculations, see our methodology.