Iran vs Thailand: Year-on-year change in CO₂ emissions

Iran

2.96 million tonnes

in 2024

Thailand

3.03 million tonnes

in 2024

Iran rank

25th

Thailand rank

24th

Year-on-year change in CO₂ emissions over time

Thailand currently reports 3.03 million tonnes against 2.96 million tonnes in Iran, a difference of 71,180 tonnes.

The two have swapped places 37 times across 88 shared years of data; in 1932 it was Iran ahead.

Iran ranks 25th and Thailand ranks 24th of 215 countries.

Indicator: Year-on-year change in CO₂ emissions
Unit: tonnes
Source: Global Carbon Budget (2025) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 215 places, 23,088 data points, 1751–2024
Last refreshed: 07 August 2026

Annual growth in total emissions of carbon dioxide (CO₂), excluding land-use change, measured in tonnes.