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World and society · ranked by Total annual CO₂ emissions from aviation

Countries with the highest CO₂ emissions from aviation

50 ranked · updated 2026-10-29
Number oneUnited States200.2k thousand tonnes
Ranking by Total annual CO₂ emissions from aviation
#NameTotal annual CO₂ emissions from aviationChange
1200.2k thousand tonnesnew
2105.8k thousand tonnesnew
333.3k thousand tonnesnew
427.4k thousand tonnesnew
525.6k thousand tonnesnew
624.8k thousand tonnesnew
722.1k thousand tonnesnew
821.7k thousand tonnesnew
920.5k thousand tonnesnew
1020.3k thousand tonnesnew
Show positions 11–50
1118.8k thousand tonnesnew
1217.4k thousand tonnesnew
1315.7k thousand tonnesnew
1414.8k thousand tonnesnew
1514.7k thousand tonnesnew
1614.3k thousand tonnesnew
1713.5k thousand tonnesnew
1812.3k thousand tonnesnew
1911.8k thousand tonnesnew
2011.5k thousand tonnesnew
2110.6k thousand tonnesnew
2210.4k thousand tonnesnew
239,730.09 thousand tonnesnew
249,138.79 thousand tonnesnew
257,226.08 thousand tonnesnew
267,162.1 thousand tonnesnew
276,100.96 thousand tonnesnew
285,718.99 thousand tonnesnew
295,334.93 thousand tonnesnew
304,895.54 thousand tonnesnew
314,562.29 thousand tonnesnew
324,446.32 thousand tonnesnew
334,267.27 thousand tonnesnew
344,095.08 thousand tonnesnew
354,031.8 thousand tonnesnew
363,557.35 thousand tonnesnew
373,309.88 thousand tonnesnew
383,281.52 thousand tonnesnew
393,125.24 thousand tonnesnew
402,713.95 thousand tonnesnew
412,659.55 thousand tonnesnew
422,646.72 thousand tonnesnew
432,645.75 thousand tonnesnew
442,623.19 thousand tonnesnew
452,427.66 thousand tonnesnew
462,225.78 thousand tonnesnew
472,079.16 thousand tonnesnew
482,039.55 thousand tonnesnew
492,038.61 thousand tonnesnew
502,008.88 thousand tonnesnew

History

How the top 10 has moved

Positions of today's top 10 across every published snapshot.

History appears once this ranking has at least two published snapshots.

About this ranking

Countries with the highest CO₂ emissions from aviation, explained

Countries with the highest CO₂ emissions from aviation is a live ranking of the top 50 entries in world and society by Total annual CO₂ emissions from aviation, built from public data published by Our World in Data. It was last refreshed on 2026-10-29. This is the first published snapshot; from the next refresh onwards the page will also show movers, new entries and a rank history chart.

United States currently holds #1 with 200.2k thousand tonnes. China is second with 105.8k thousand tonnes, which puts the leader 89% ahead. United Kingdom completes the top three with 33.3k thousand tonnes. Together the top three account for about 68% of the combined top-10 total, which gives a quick sense of how concentrated this ranking is.

How it is measured: Total annual CO₂ emissions from aviation. Our World in Data chart "annual-co-emissions-from-aviation"; most recent year per country within the last five years of data, regional aggregates excluded. Caveat: Years differ by country; the chart page documents the original source and its limitations. Data from Our World in Data (CC BY 4.0) and the sources it cites. The full top 50 is on this page, with positions 11 to 50 one click away, and each entry links to its own profile showing every ranking it appears in.

Use this page to check who is number one right now, compare any two entries head to head, or test yourself with the quiz, which asks you to name all ten in three minutes. Year-end archives are available for 2026, freezing the ranking as it stood at the close of each year. Top10Earth never estimates or edits a value: each number is fetched from its source, hashed, stored and ranked by software, then checked by a quality gate before it is published. If a refresh fails the gate, the previous snapshot stays live and the problem is reviewed by a person.

Frequently asked questions

Who is #1 in Countries with the highest CO₂ emissions from aviation?
United States is #1 with 200.2k thousand tonnes, as of 2026-10-29. China is #2.
How is Countries with the highest CO₂ emissions from aviation ranked?
By Total annual CO₂ emissions from aviation. Total annual CO₂ emissions from aviation. Our World in Data chart "annual-co-emissions-from-aviation"; most recent year per country within the last five years of data, regional aggregates excluded.
How often is this ranking updated?
It refreshes on a fixed schedule from Our World in Data. The latest snapshot was captured on 2026-10-29.
Where does the data come from?
Our World in Data. Data from Our World in Data (CC BY 4.0) and the sources it cites. The raw payload for every refresh is stored unchanged so any number can be traced back.