Global per capita nitrogen oxides emissions 2021, by select country

Published by Ian Tiseo, Apr 29, 2025
Australia had the highest per capita nitrogen oxides (NOx) emissions of all OECD countries in 2021, at 108.8 kilograms per person. In comparison, NOx emissions in nearby New Zealand were roughly 32 kilograms per person. Switzerland had one of the lowest NOx emissions per capita of OECD countries at 5.8 kilograms per person.

Per capita nitrogen oxides (NOx) emissions worldwide in 2021, by select country (in kilograms)

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Release date

January 2023

Region

OECD

Survey time period

2021

Supplementary notes

The source did not provide a release date. The date given is the date of website access.

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