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

32 years are reported by both, from 1990 to 2021.

Where does this data come from?

Statizoid (derived), published as Adjusted savings: particulate emission damage (current US$), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Romania vs Tonga: Adjusted savings: particulate emission damage (current) … square

Romania

2,118 current US$ per square kilometre

in 2021

Tonga

2,162 current US$ per square kilometre

in 2021

Romania rank

66th

Tonga rank

63rd

Adjusted savings: particulate emission damage (current) … square over time

Romania
Tonga

How they compare

Tonga currently reports 2,162 current US$ per square kilometre against 2,118 current US$ per square kilometre in Romania, a difference of 44 current US$ per square kilometre.

The two have swapped places 2 times across 32 shared years of data; in 1990 it was Tonga ahead.

Romania ranks 66th and Tonga ranks 63rd of 178 countries.

Tonga has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade	Romania	Tonga	Difference	Ahead
1990s	1,027 current US$ per square kilometre	1,804 current US$ per square kilometre	777.05 current US$ per square kilometre	Tonga
2000s	1,415 current US$ per square kilometre	2,012 current US$ per square kilometre	597.02 current US$ per square kilometre	Tonga
2010s	1,585 current US$ per square kilometre	2,505 current US$ per square kilometre	920.52 current US$ per square kilometre	Tonga
2020s	2,002 current US$ per square kilometre	2,200 current US$ per square kilometre	198.65 current US$ per square kilometre	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher adjusted savings: particulate emission damage (current us$), per, Romania or Tonga?: Tonga, at 2,162 current US$ per square kilometre against 2,118 current US$ per square kilometre in Romania as of 2021.
What is the difference in adjusted savings: particulate emission damage (current us$), per between Romania and Tonga?: 44 current US$ per square kilometre, with Tonga ahead.
How many years of comparable data are there for Romania and Tonga?: 32 years are reported by both, from 1990 to 2021.
How do Romania and Tonga rank globally for adjusted savings: particulate emission damage (current us$), per?: Romania ranks 66th and Tonga ranks 63rd of 178 countries.
Where does this data come from?: Statizoid (derived), published as Adjusted savings: particulate emission damage (current US$), per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Romania vs Tonga: Adjusted savings: particulate emission damage (current US$), per. Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://economy.statizoid.com/compare/adjusted-savings-particulate-emission-damage-current-us-per-square-kilometre/romania/tonga/

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<a href="https://economy.statizoid.com/compare/adjusted-savings-particulate-emission-damage-current-us-per-square-kilometre/romania/tonga/">Romania vs Tonga: Adjusted savings: particulate emission damage (current US$), per</a> — Statizoid

About this data

Indicator: Adjusted savings: particulate emission damage (current US$), per square kilometre
Unit: current US$ per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 178 places, 5,405 data points, 1990–2021
Last refreshed: 04 October 2026

Adjusted savings: particulate emission damage (current US$) divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.