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

19 years are reported by both, from 2006 to 2024.

Where does this data come from?

Statizoid (derived), published as Gross national expenditure (constant 2015 US$), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

IDA only vs Tonga: Gross national expenditure (constant 2015 US$), per unit of GDP

IDA only

0.9286 constant 2015 US$ per US$ of GDP

in 2025

Tonga

1.22 constant 2015 US$ per US$ of GDP

in 2024

IDA only rank

17th

Tonga rank

14th

Gross national expenditure (constant 2015 US$), per unit of GDP over time

IDA only
Tonga

How they compare

Tonga currently reports 1.22 constant 2015 US$ per US$ of GDP against 0.9286 constant 2015 US$ per US$ of GDP in IDA only, a difference of 0.2914 constant 2015 US$ per US$ of GDP.

That makes Tonga's figure about 1.3 times IDA only's.

Across all 19 years both countries report, Tonga has been ahead every year.

IDA only ranks 17th and Tonga ranks 14th of 41 groups.

Tonga has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	IDA only	Tonga	Difference	Ahead
2000s	1.33 constant 2015 US$ per US$ of GDP	1.79 constant 2015 US$ per US$ of GDP	0.4626 constant 2015 US$ per US$ of GDP	Tonga
2010s	1.08 constant 2015 US$ per US$ of GDP	1.44 constant 2015 US$ per US$ of GDP	0.358 constant 2015 US$ per US$ of GDP	Tonga
2020s	0.9972 constant 2015 US$ per US$ of GDP	1.34 constant 2015 US$ per US$ of GDP	0.3396 constant 2015 US$ per US$ of GDP	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher gross national expenditure (constant 2015 us$), per unit of gdp, IDA only or Tonga?: Tonga, at 1.22 constant 2015 US$ per US$ of GDP against 0.9286 constant 2015 US$ per US$ of GDP in IDA only as of 2024.
What is the difference in gross national expenditure (constant 2015 us$), per unit of gdp between IDA only and Tonga?: 0.2914 constant 2015 US$ per US$ of GDP, with Tonga ahead.
How many years of comparable data are there for IDA only and Tonga?: 19 years are reported by both, from 2006 to 2024.
How do IDA only and Tonga rank globally for gross national expenditure (constant 2015 us$), per unit of gdp?: IDA only ranks 17th and Tonga ranks 14th of 41 groups.
Where does this data come from?: Statizoid (derived), published as Gross national expenditure (constant 2015 US$), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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IDA only vs Tonga: Gross national expenditure (constant 2015 US$), per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 08 September 2026, from https://economy.statizoid.com/compare/gross-national-expenditure-constant-2015-us-per-unit-of-gdp/ida-only/tonga/

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<a href="https://economy.statizoid.com/compare/gross-national-expenditure-constant-2015-us-per-unit-of-gdp/ida-only/tonga/">IDA only vs Tonga: Gross national expenditure (constant 2015 US$), per unit of GDP</a> — Statizoid

About this data

Indicator: Gross national expenditure (constant 2015 US$), per unit of GDP
Unit: constant 2015 US$ per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 204 places, 8,398 data points, 1960–2025
Last refreshed: 08 September 2026

Gross national expenditure (constant 2015 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.