Iran vs Tonga: Per capita nitrous oxide emissions by sector

Iran
185.08 kilograms per person
in 2023
Tonga
191.18 kilograms per person
in 2023
Iran rank
107th
Tonga rank
106th

Per capita nitrous oxide emissions by sector over time

  • Iran
  • Tonga
0100200300199020062023

How they compare

Tonga currently reports 191.18 kilograms per person against 185.08 kilograms per person in Iran, a difference of 6.1 kilograms per person.

The two have swapped places 3 times across 34 shared years of data; in 1990 it was Iran ahead.

Iran ranks 107th and Tonga ranks 106th of 193 countries.

Across the 4 decades both report, Iran averaged higher in 2 and Tonga in 2.

Head to head by decade

Decade Iran Tonga Difference Ahead
1990s 220.54 kilograms per person 199.08 kilograms per person 21.46 kilograms per person Iran
2000s 236.54 kilograms per person 190.08 kilograms per person 46.46 kilograms per person Iran
2010s 176.22 kilograms per person 187.9 kilograms per person 11.67 kilograms per person Tonga
2020s 187.51 kilograms per person 190.08 kilograms per person 2.57 kilograms per person Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher per capita nitrous oxide emissions by sector, Iran or Tonga?
Tonga, at 191.18 kilograms per person against 185.08 kilograms per person in Iran as of 2023.
What is the difference in per capita nitrous oxide emissions by sector between Iran and Tonga?
6.1 kilograms per person, with Tonga ahead.
How many years of comparable data are there for Iran and Tonga?
34 years are reported by both, from 1990 to 2023.
How do Iran and Tonga rank globally for per capita nitrous oxide emissions by sector?
Iran ranks 107th and Tonga ranks 106th of 193 countries.
Where does this data come from?
Climate Watch (2026); Population based on various sources (2024) – with major processing by Our World in Data, published as Per capita nitrous oxide emissions by sector. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran vs Tonga: Per capita nitrous oxide emissions by sector. Statizoid, drawing on Climate Watch (2026); Population based on various sources (2024) – with major processing by Our World in Data. Retrieved 24 September 2026, from https://reference.statizoid.com/compare/per-capita-nitrous-oxide-sector/iran-islamic-rep/tonga/

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About this data

Indicator
Per capita nitrous oxide emissions by sector
Unit
kilograms per person
Source
Climate Watch (2026); Population based on various sources (2024) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
193 places, 6,559 data points, 1990–2023
Last refreshed

Emissions are measured in kilograms of carbon dioxide-equivalents per person.