How many years of comparable data are there for Iceland and Tonga?

50 years are reported by both, from 1975 to 2024.

Where does this data come from?

Statizoid (derived), published as Gross capital formation (current US$), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iceland vs Tonga: Gross capital formation (current US$), per unit of GDP

Iceland

0.2657 current US$ per US$ of GDP

in 2025

Tonga

0.2639 current US$ per US$ of GDP

in 2024

Iceland rank

61st

Tonga rank

62nd

Gross capital formation (current US$), per unit of GDP over time

Iceland
Tonga

How they compare

Iceland currently reports 0.2657 current US$ per US$ of GDP against 0.2639 current US$ per US$ of GDP in Tonga, a difference of 0.0018 current US$ per US$ of GDP.

The two have swapped places 11 times across 50 shared years of data; in 1975 it was Iceland ahead.

Iceland ranks 61st and Tonga ranks 62nd of 187 countries.

Across the 6 decades both report, Iceland averaged higher in 3 and Tonga in 3.

Head to head by decade

Decade	Iceland	Tonga	Difference	Ahead
1970s	0.3101 current US$ per US$ of GDP	0.2563 current US$ per US$ of GDP	0.0538 current US$ per US$ of GDP	Iceland
1980s	0.2427 current US$ per US$ of GDP	0.2604 current US$ per US$ of GDP	0.0177 current US$ per US$ of GDP	Tonga
1990s	0.2045 current US$ per US$ of GDP	0.2004 current US$ per US$ of GDP	0.0041 current US$ per US$ of GDP	Iceland
2000s	0.2479 current US$ per US$ of GDP	0.2169 current US$ per US$ of GDP	0.0311 current US$ per US$ of GDP	Iceland
2010s	0.1811 current US$ per US$ of GDP	0.277 current US$ per US$ of GDP	0.0959 current US$ per US$ of GDP	Tonga
2020s	0.2396 current US$ per US$ of GDP	0.2747 current US$ per US$ of GDP	0.0352 current US$ per US$ of GDP	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher gross capital formation (current us$), per unit of gdp, Iceland or Tonga?: Iceland, at 0.2657 current US$ per US$ of GDP against 0.2639 current US$ per US$ of GDP in Tonga as of 2025.
What is the difference in gross capital formation (current us$), per unit of gdp between Iceland and Tonga?: 0.0018 current US$ per US$ of GDP, with Iceland ahead.
How many years of comparable data are there for Iceland and Tonga?: 50 years are reported by both, from 1975 to 2024.
How do Iceland and Tonga rank globally for gross capital formation (current us$), per unit of gdp?: Iceland ranks 61st and Tonga ranks 62nd of 187 countries.
Where does this data come from?: Statizoid (derived), published as Gross capital formation (current US$), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iceland vs Tonga: Gross capital formation (current US$), per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 06 September 2026, from https://economy.statizoid.com/compare/gross-capital-formation-current-us-per-unit-of-gdp/iceland/tonga/

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About this data

Indicator: Gross capital formation (current US$), per unit of GDP
Unit: current US$ per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 230 places, 10,917 data points, 1960–2025
Last refreshed: 06 September 2026

Gross capital formation (current US$) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.