How many years of comparable data are there for Japan and Qatar?

54 years are reported by both, from 1970 to 2023.

Where does this data come from?

Statizoid (derived), published as Nitrous oxide (N2O) emissions from Waste (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Japan vs Qatar: Nitrous oxide (N2O) emissions from Waste (Mt CO2e), per square

Japan

0 Mt CO2e per square kilometre

in 2023

Qatar

0 Mt CO2e per square kilometre

in 2023

Japan rank

21st

Qatar rank

20th

Nitrous oxide (N2O) emissions from Waste (Mt CO2e), per square over time

Japan
Qatar

How they compare

Qatar currently reports 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Japan, a difference of 0 Mt CO2e per square kilometre.

The two have swapped places 1 time across 54 shared years of data; in 1970 it was Japan ahead.

Japan ranks 21st and Qatar ranks 20th of 203 countries.

Across the 6 decades both report, Japan averaged higher in 5 and Qatar in 1.

Head to head by decade

Decade	Japan	Qatar	Difference	Ahead
1970s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Japan
1980s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Japan
1990s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Japan
2000s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Japan
2010s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Japan
2020s	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	0 Mt CO2e per square kilometre	Qatar

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrous oxide (n2o) emissions from waste (mt co2e), per square, Japan or Qatar?: Qatar, at 0 Mt CO2e per square kilometre against 0 Mt CO2e per square kilometre in Japan as of 2023.
What is the difference in nitrous oxide (n2o) emissions from waste (mt co2e), per square between Japan and Qatar?: 0 Mt CO2e per square kilometre, with Qatar ahead.
How many years of comparable data are there for Japan and Qatar?: 54 years are reported by both, from 1970 to 2023.
How do Japan and Qatar rank globally for nitrous oxide (n2o) emissions from waste (mt co2e), per square?: Japan ranks 21st and Qatar ranks 20th of 203 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions from Waste (Mt CO2e), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs Qatar: Nitrous oxide (N2O) emissions from Waste (Mt CO2e), per square. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-waste-mt-co2e-per-square-kilometre/japan/qatar/

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<a href="https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-waste-mt-co2e-per-square-kilometre/japan/qatar/">Japan vs Qatar: Nitrous oxide (N2O) emissions from Waste (Mt CO2e), per square</a> — Statizoid

About this data

Indicator: Nitrous oxide (N2O) emissions from Waste (Mt CO2e), per square kilometre
Unit: Mt CO2e per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 250 places, 12,804 data points, 1970–2023
Last refreshed: 18 September 2026

Nitrous oxide (N2O) emissions from Waste (Mt CO2e) divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.