How many years of comparable data are there for Samoa and Tajikistan?

35 years are reported by both, from 1990 to 2024.

Where does this data come from?

Statizoid (derived), published as Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Samoa vs Tajikistan: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per

Samoa

0 Mt CO2e per US$ of GDP

in 2024

Tajikistan

0 Mt CO2e per US$ of GDP

in 2024

Samoa rank

38th

Tajikistan rank

36th

Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per over time

Samoa
Tajikistan

How they compare

Tajikistan currently reports 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Samoa, a difference of 0 Mt CO2e per US$ of GDP.

That makes Tajikistan's figure about 1.1 times Samoa's.

The two have swapped places 3 times across 35 shared years of data; in 1990 it was Samoa ahead.

Samoa ranks 38th and Tajikistan ranks 36th of 191 countries.

Across the 4 decades both report, Samoa averaged higher in 3 and Tajikistan in 1.

Head to head by decade

Decade	Samoa	Tajikistan	Difference	Ahead
1990s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Samoa
2000s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Samoa
2010s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Samoa
2020s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Tajikistan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrous oxide (n2o) emissions from transport (energy) (mt co2e), per, Samoa or Tajikistan?: Tajikistan, at 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Samoa as of 2024.
What is the difference in nitrous oxide (n2o) emissions from transport (energy) (mt co2e), per between Samoa and Tajikistan?: 0 Mt CO2e per US$ of GDP, with Tajikistan ahead.
How many years of comparable data are there for Samoa and Tajikistan?: 35 years are reported by both, from 1990 to 2024.
How do Samoa and Tajikistan rank globally for nitrous oxide (n2o) emissions from transport (energy) (mt co2e), per?: Samoa ranks 38th and Tajikistan ranks 36th of 191 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Samoa vs Tajikistan: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 18 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-transport-energy-mt-co2e-per-unit-of-gdp/samoa/tajikistan/

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About this data

Indicator: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per unit of GDP
Unit: Mt CO2e per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 238 places, 12,139 data points, 1970–2024
Last refreshed: 18 September 2026

Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.