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

55 years are reported by both, from 1970 to 2024.

Where does this data come from?

Statizoid (derived), published as Carbon dioxide (CO2) 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.

Italy vs Japan: Carbon dioxide (CO2) emissions from Transport (Energy) (Mt CO2e), per

Italy

0 Mt CO2e per US$ of GDP

in 2024

Japan

0 Mt CO2e per US$ of GDP

in 2024

Italy rank

156th

Japan rank

157th

Carbon dioxide (CO2) emissions from Transport (Energy) (Mt CO2e), per over time

Italy
Japan

How they compare

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

That makes Italy's figure about 1.1 times Japan's.

The two have swapped places 1 time across 55 shared years of data; in 1970 it was Japan ahead.

Italy ranks 156th and Japan ranks 157th of 191 countries.

Italy has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	Italy	Japan	Difference	Ahead
1970s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Italy
1980s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Italy
1990s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Italy
2000s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Italy
2010s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Italy
2020s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Italy

Averages of every year both report within each decade.

Frequently asked questions

Which has higher carbon dioxide (co2) emissions from transport (energy) (mt co2e), per, Italy or Japan?: Italy, at 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Japan as of 2024.
What is the difference in carbon dioxide (co2) emissions from transport (energy) (mt co2e), per between Italy and Japan?: 0 Mt CO2e per US$ of GDP, with Italy ahead.
How many years of comparable data are there for Italy and Japan?: 55 years are reported by both, from 1970 to 2024.
How do Italy and Japan rank globally for carbon dioxide (co2) emissions from transport (energy) (mt co2e), per?: Italy ranks 156th and Japan ranks 157th of 191 countries.
Where does this data come from?: Statizoid (derived), published as Carbon dioxide (CO2) 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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Italy vs Japan: Carbon dioxide (CO2) emissions from Transport (Energy) (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-from-transport-energy-mt-co2e-per-unit-of-gdp/italy/japan/

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About this data

Indicator: Carbon dioxide (CO2) 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: 20 September 2026

Carbon dioxide (CO2) 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.