Iran vs Vietnam: Nitrous oxide emissions

Iran
32.06 million tonnes of CO₂ equivalents
in 2024
Vietnam
30.31 million tonnes of CO₂ equivalents
in 2024
Iran rank
17th
Vietnam rank
20th

Nitrous oxide emissions over time

  • Iran
  • Vietnam
010.0M20.0M30.0M185019372024

How they compare

Iran currently reports 32.06 million tonnes of CO₂ equivalents against 30.31 million tonnes of CO₂ equivalents in Vietnam, a difference of 1.75 million tonnes of CO₂ equivalents.

That makes Iran's figure about 1.1 times Vietnam's.

The two have swapped places 2 times across 175 shared years of data; in 1850 it was Iran ahead.

Iran ranks 17th and Vietnam ranks 20th of 201 countries.

Iran has averaged higher in every one of the 18 decades both report.

Head to head by decade

Decade Iran Vietnam Difference Ahead
1850s 558,668 tonnes of CO₂ equivalents 303,424 tonnes of CO₂ equivalents 255,243 tonnes of CO₂ equivalents Iran
1860s 598,207 tonnes of CO₂ equivalents 326,446 tonnes of CO₂ equivalents 271,761 tonnes of CO₂ equivalents Iran
1870s 734,602 tonnes of CO₂ equivalents 391,311 tonnes of CO₂ equivalents 343,291 tonnes of CO₂ equivalents Iran
1880s 941,090 tonnes of CO₂ equivalents 486,456 tonnes of CO₂ equivalents 454,634 tonnes of CO₂ equivalents Iran
1890s 1.03 million tonnes of CO₂ equivalents 573,550 tonnes of CO₂ equivalents 452,648 tonnes of CO₂ equivalents Iran
1900s 1.10 million tonnes of CO₂ equivalents 695,490 tonnes of CO₂ equivalents 401,611 tonnes of CO₂ equivalents Iran
1910s 1.20 million tonnes of CO₂ equivalents 868,056 tonnes of CO₂ equivalents 330,261 tonnes of CO₂ equivalents Iran
1920s 1.54 million tonnes of CO₂ equivalents 1.09 million tonnes of CO₂ equivalents 446,200 tonnes of CO₂ equivalents Iran
1930s 2.25 million tonnes of CO₂ equivalents 1.38 million tonnes of CO₂ equivalents 875,564 tonnes of CO₂ equivalents Iran
1940s 3.54 million tonnes of CO₂ equivalents 2.15 million tonnes of CO₂ equivalents 1.40 million tonnes of CO₂ equivalents Iran
1950s 5.32 million tonnes of CO₂ equivalents 3.55 million tonnes of CO₂ equivalents 1.77 million tonnes of CO₂ equivalents Iran
1960s 7.36 million tonnes of CO₂ equivalents 4.86 million tonnes of CO₂ equivalents 2.51 million tonnes of CO₂ equivalents Iran
1970s 10.53 million tonnes of CO₂ equivalents 6.08 million tonnes of CO₂ equivalents 4.45 million tonnes of CO₂ equivalents Iran
1980s 15.75 million tonnes of CO₂ equivalents 8.36 million tonnes of CO₂ equivalents 7.39 million tonnes of CO₂ equivalents Iran
1990s 21.24 million tonnes of CO₂ equivalents 13.35 million tonnes of CO₂ equivalents 7.90 million tonnes of CO₂ equivalents Iran
2000s 26.22 million tonnes of CO₂ equivalents 18.70 million tonnes of CO₂ equivalents 7.52 million tonnes of CO₂ equivalents Iran
2010s 27.29 million tonnes of CO₂ equivalents 24.31 million tonnes of CO₂ equivalents 2.98 million tonnes of CO₂ equivalents Iran
2020s 30.67 million tonnes of CO₂ equivalents 29.47 million tonnes of CO₂ equivalents 1.20 million tonnes of CO₂ equivalents Iran

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrous oxide emissions, Iran or Vietnam?
Iran, at 32.06 million tonnes of CO₂ equivalents against 30.31 million tonnes of CO₂ equivalents in Vietnam as of 2024.
What is the difference in nitrous oxide emissions between Iran and Vietnam?
1.75 million tonnes of CO₂ equivalents, with Iran ahead.
How many years of comparable data are there for Iran and Vietnam?
175 years are reported by both, from 1850 to 2024.
How do Iran and Vietnam rank globally for nitrous oxide emissions?
Iran ranks 17th and Vietnam ranks 20th of 201 countries.
Where does this data come from?
Jones et al. (2025) – with major processing by Our World in Data, published as Nitrous oxide emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Nitrous oxide emissions
Unit
tonnes of CO₂ equivalents
Source
Jones et al. (2025) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
201 places, 35,175 data points, 1850–2024
Last refreshed

Measured in tonnes of carbon dioxide-equivalents over a 100-year timescale.