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

60 years are reported by both, from 1966 to 2025.

Where does this data come from?

Statizoid (derived), published as Annual change in primary energy use, per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Italy vs Japan: Annual change in primary energy use, per unit of GDP

Italy

-0 terawatt-hours per US$ of GDP

in 2025

Japan

-0 terawatt-hours per US$ of GDP

in 2025

Italy rank

156th

Japan rank

159th

Annual change in primary energy use, per unit of GDP over time

Italy
Japan

How they compare

Italy currently reports -0 terawatt-hours per US$ of GDP against -0 terawatt-hours per US$ of GDP in Japan, a difference of 0 terawatt-hours per US$ of GDP.

The two have swapped places 33 times across 60 shared years of data; in 1966 it was Japan ahead.

Italy ranks 156th and Japan ranks 159th of 201 countries.

Across the 7 decades both report, Italy averaged higher in 3 and Japan in 4.

Head to head by decade

Decade	Italy	Japan	Difference	Ahead
1960s	0 terawatt-hours per US$ of GDP	0 terawatt-hours per US$ of GDP	0 terawatt-hours per US$ of GDP	Japan
1970s	0 terawatt-hours per US$ of GDP	0 terawatt-hours per US$ of GDP	0 terawatt-hours per US$ of GDP	Japan
1980s	-0 terawatt-hours per US$ of GDP	0 terawatt-hours per US$ of GDP	0 terawatt-hours per US$ of GDP	Japan
1990s	0 terawatt-hours per US$ of GDP	0 terawatt-hours per US$ of GDP	0 terawatt-hours per US$ of GDP	Japan
2000s	-0 terawatt-hours per US$ of GDP	-0 terawatt-hours per US$ of GDP	0 terawatt-hours per US$ of GDP	Italy
2010s	-0 terawatt-hours per US$ of GDP	-0 terawatt-hours per US$ of GDP	0 terawatt-hours per US$ of GDP	Italy
2020s	-0 terawatt-hours per US$ of GDP	-0 terawatt-hours per US$ of GDP	0 terawatt-hours per US$ of GDP	Italy

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual change in primary energy use, per unit of gdp, Italy or Japan?: Italy, at -0 terawatt-hours per US$ of GDP against -0 terawatt-hours per US$ of GDP in Japan as of 2025.
What is the difference in annual change in primary energy use, per unit of gdp between Italy and Japan?: 0 terawatt-hours per US$ of GDP, with Italy ahead.
How many years of comparable data are there for Italy and Japan?: 60 years are reported by both, from 1966 to 2025.
How do Italy and Japan rank globally for annual change in primary energy use, per unit of gdp?: Italy ranks 156th and Japan ranks 159th of 201 countries.
Where does this data come from?: Statizoid (derived), published as Annual change in primary energy use, 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: Annual change in primary energy use, per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 07 September 2026, from https://energy.statizoid.com/compare/annual-change-in-primary-energy-use-per-unit-of-gdp/italy/japan/

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About this data

Indicator: Annual change in primary energy use, per unit of GDP
Unit: terawatt-hours per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 201 places, 9,217 data points, 1966–2025
Last refreshed: 27 August 2026

Annual change in primary energy use divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.