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

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

Where does this data come from?

Statizoid (derived), published as Control of Corruption - Governance estimate (approx. -2.5 to +2.5), annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Tonga vs Vietnam: Control of Corruption - Governance estimate (approx. -2.5 to +2.5)

Tonga

19.3 % change on previous year

in 2024

Vietnam

18.38 % change on previous year

in 2024

Tonga rank

22nd

Vietnam rank

25th

Control of Corruption - Governance estimate (approx. -2.5 to +2.5) over time

Tonga
Vietnam

How they compare

Tonga currently reports 19.3 % change on previous year against 18.38 % change on previous year in Vietnam, a difference of 0.92 % change on previous year.

The two have swapped places 13 times across 19 shared years of data; in 2006 it was Vietnam ahead.

Tonga ranks 22nd and Vietnam ranks 25th of 205 countries.

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

Head to head by decade

Decade	Tonga	Vietnam	Difference	Ahead
2000s	15.83 % change on previous year	20.2 % change on previous year	4.37 % change on previous year	Vietnam
2010s	-38.81 % change on previous year	-2.56 % change on previous year	36.25 % change on previous year	Vietnam
2020s	-2.21 % change on previous year	5.63 % change on previous year	7.84 % change on previous year	Vietnam

Averages of every year both report within each decade.

Frequently asked questions

Which has higher control of corruption - governance estimate (approx. -2.5 to +2.5), Tonga or Vietnam?: Tonga, at 19.3 % change on previous year against 18.38 % change on previous year in Vietnam as of 2024.
What is the difference in control of corruption - governance estimate (approx. -2.5 to +2.5) between Tonga and Vietnam?: 0.92 % change on previous year, with Tonga ahead.
How many years of comparable data are there for Tonga and Vietnam?: 19 years are reported by both, from 2006 to 2024.
How do Tonga and Vietnam rank globally for control of corruption - governance estimate (approx. -2.5 to +2.5)?: Tonga ranks 22nd and Vietnam ranks 25th of 205 countries.
Where does this data come from?: Statizoid (derived), published as Control of Corruption - Governance estimate (approx. -2.5 to +2.5), annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Tonga vs Vietnam: Control of Corruption - Governance estimate (approx. -2.5 to +2.5). Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://reference.statizoid.com/compare/control-of-corruption-governance-estimate-approx-2-5-to-2-5-annual-growth-rate/tonga/viet-nam/

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<a href="https://reference.statizoid.com/compare/control-of-corruption-governance-estimate-approx-2-5-to-2-5-annual-growth-rate/tonga/viet-nam/">Tonga vs Vietnam: Control of Corruption - Governance estimate (approx. -2.5 to +2.5)</a> — Statizoid

About this data

Indicator: Control of Corruption - Governance estimate (approx. -2.5 to +2.5), annual growth rate
Unit: % change on previous year
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 205 places, 4,410 data points, 2003–2024
Last refreshed: 23 September 2026

The year-on-year percentage change in Control of Corruption - Governance estimate (approx. -2.5 to +2.5). Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.