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

26 years are reported by both, from 1996 to 2023.

Where does this data come from?

Statizoid (derived), published as Refugees under the mandate of the UNHCR by country or territory of origin, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Tonga vs Viet Nam: Refugees under the mandate of the UNHCR by country or territory of

Tonga

0.0569 units per square kilometre

in 2023

Viet Nam

0.0585 units per square kilometre

in 2023

Tonga rank

76th

Viet Nam rank

75th

Refugees under the mandate of the UNHCR by country or territory of over time

Tonga
Viet Nam

How they compare

Viet Nam currently reports 0.0585 units per square kilometre against 0.0569 units per square kilometre in Tonga, a difference of 0.0016 units per square kilometre.

Across all 26 years both countries report, Viet Nam has been ahead every year.

Tonga ranks 76th and Viet Nam ranks 75th of 196 countries.

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

Head to head by decade

Decade	Tonga	Viet Nam	Difference	Ahead
1990s	0.0069 units per square kilometre	1.53 units per square kilometre	1.52 units per square kilometre	Viet Nam
2000s	0.006 units per square kilometre	1.14 units per square kilometre	1.13 units per square kilometre	Viet Nam
2010s	0.0282 units per square kilometre	1.04 units per square kilometre	1.01 units per square kilometre	Viet Nam
2020s	0.0451 units per square kilometre	0.5347 units per square kilometre	0.4895 units per square kilometre	Viet Nam

Averages of every year both report within each decade.

Frequently asked questions

Which has higher refugees under the mandate of the unhcr by country or territory of, Tonga or Viet Nam?: Viet Nam, at 0.0585 units per square kilometre against 0.0569 units per square kilometre in Tonga as of 2023.
What is the difference in refugees under the mandate of the unhcr by country or territory of between Tonga and Viet Nam?: 0.0016 units per square kilometre, with Viet Nam ahead.
How many years of comparable data are there for Tonga and Viet Nam?: 26 years are reported by both, from 1996 to 2023.
How do Tonga and Viet Nam rank globally for refugees under the mandate of the unhcr by country or territory of?: Tonga ranks 76th and Viet Nam ranks 75th of 196 countries.
Where does this data come from?: Statizoid (derived), published as Refugees under the mandate of the UNHCR by country or territory of origin, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Tonga vs Viet Nam: Refugees under the mandate of the UNHCR by country or territory of. Statizoid, drawing on Statizoid (derived). Retrieved 16 September 2026, from https://social-development.statizoid.com/compare/refugees-under-the-mandate-of-the-unhcr-by-country-or-territory-of-origin-per-square/tonga/viet-nam/

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<a href="https://social-development.statizoid.com/compare/refugees-under-the-mandate-of-the-unhcr-by-country-or-territory-of-origin-per-square/tonga/viet-nam/">Tonga vs Viet Nam: Refugees under the mandate of the UNHCR by country or territory of</a> — Statizoid

About this data

Indicator: Refugees under the mandate of the UNHCR by country or territory of origin, per square kilometre
Unit: units per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 243 places, 9,411 data points, 1961–2023
Last refreshed: 19 August 2026

Refugees under the mandate of the UNHCR by country or territory of origin 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.