Iran vs Vietnam: Annual carbon dioxide emissions
Iran
10.36 million
in 2026
Vietnam
11.30 million
in 2026
Iran rank
42nd
Vietnam rank
41st
Annual carbon dioxide emissions over time
- Iran
- Vietnam
How they compare
Vietnam currently reports 11.30 million against 10.36 million in Iran, a difference of 940,400.
That makes Vietnam's figure about 1.1 times Iran's.
The two have swapped places 4 times across 24 shared years of data; in 2003 it was Vietnam ahead.
Iran ranks 42nd and Vietnam ranks 41st of 248 countries.
Across the 3 decades both report, Iran averaged higher in 1 and Vietnam in 2.
Head to head by decade
| Decade | Iran | Vietnam | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 6.80 million | 20.54 million | 13.75 million | Vietnam |
| 2010s | 7.90 million | 17.68 million | 9.78 million | Vietnam |
| 2020s | 14.03 million | 11.59 million | 2.44 million | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual carbon dioxide emissions, Iran or Vietnam?
- Vietnam, at 11.30 million against 10.36 million in Iran as of 2026.
- What is the difference in annual carbon dioxide emissions between Iran and Vietnam?
- 940,400, with Vietnam ahead.
- How many years of comparable data are there for Iran and Vietnam?
- 24 years are reported by both, from 2003 to 2026.
- How do Iran and Vietnam rank globally for annual carbon dioxide emissions?
- Iran ranks 42nd and Vietnam ranks 41st of 248 countries.
- Where does this data come from?
- Our World in Data, published as Annual carbon dioxide emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.