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

30 years are reported by both, from 1996 to 2025.

Where does this data come from?

Statizoid (derived), published as Portfolio investment (Assets, Positions, US dollar), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Italy vs Japan: Portfolio investment (Assets, Positions, US dollar), per unit of GDP

Italy

1.04 US dollar per US$ of GDP

in 2025

Japan

1.11 US dollar per US$ of GDP

in 2025

Italy rank

29th

Japan rank

28th

Portfolio investment (Assets, Positions, US dollar), per unit of GDP over time

Italy
Japan

How they compare

Japan currently reports 1.11 US dollar per US$ of GDP against 1.04 US dollar per US$ of GDP in Italy, a difference of 0.07 US dollar per US$ of GDP.

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

The two have swapped places 8 times across 30 shared years of data; in 1996 it was Japan ahead.

Italy ranks 29th and Japan ranks 28th of 164 countries.

Across the 4 decades both report, Italy averaged higher in 2 and Japan in 2.

Head to head by decade

Decade	Italy	Japan	Difference	Ahead
1990s	0.2833 US dollar per US$ of GDP	0.2341 US dollar per US$ of GDP	0.0492 US dollar per US$ of GDP	Italy
2000s	0.5263 US dollar per US$ of GDP	0.4139 US dollar per US$ of GDP	0.1124 US dollar per US$ of GDP	Italy
2010s	0.6625 US dollar per US$ of GDP	0.6944 US dollar per US$ of GDP	0.0319 US dollar per US$ of GDP	Japan
2020s	0.9649 US dollar per US$ of GDP	1 US dollar per US$ of GDP	0.0376 US dollar per US$ of GDP	Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher portfolio investment (assets, positions, us dollar), per unit of gdp, Italy or Japan?: Japan, at 1.11 US dollar per US$ of GDP against 1.04 US dollar per US$ of GDP in Italy as of 2025.
What is the difference in portfolio investment (assets, positions, us dollar), per unit of gdp between Italy and Japan?: 0.07 US dollar per US$ of GDP, with Japan ahead.
How many years of comparable data are there for Italy and Japan?: 30 years are reported by both, from 1996 to 2025.
How do Italy and Japan rank globally for portfolio investment (assets, positions, us dollar), per unit of gdp?: Italy ranks 29th and Japan ranks 28th of 164 countries.
Where does this data come from?: Statizoid (derived), published as Portfolio investment (Assets, Positions, US dollar), 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: Portfolio investment (Assets, Positions, US dollar), per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 12 October 2026, from https://economy.statizoid.com/compare/portfolio-investment-assets-positions-us-dollar-per-unit-of-gdp/italy/japan/

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<a href="https://economy.statizoid.com/compare/portfolio-investment-assets-positions-us-dollar-per-unit-of-gdp/italy/japan/">Italy vs Japan: Portfolio investment (Assets, Positions, US dollar), per unit of GDP</a> — Statizoid

About this data

Indicator: Portfolio investment (Assets, Positions, US dollar), per unit of GDP
Unit: US dollar per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 164 places, 3,983 data points, 1960–2025
Last refreshed: 04 October 2026

Portfolio investment (Assets, Positions, US dollar) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.