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

21 years are reported by both, from 2004 to 2024.

Where does this data come from?

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

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

Sri Lanka

-0.3848 approx. -2.5 to +2.5

in 2024

Tonga

-0.3992 approx. -2.5 to +2.5

in 2024

Sri Lanka rank

123rd

Tonga rank

124th

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

Sri Lanka
Tonga

How they compare

Sri Lanka currently reports -0.3848 approx. -2.5 to +2.5 against -0.3992 approx. -2.5 to +2.5 in Tonga, a difference of 0.0144 approx. -2.5 to +2.5.

The two have swapped places 5 times across 21 shared years of data; in 2004 it was Tonga ahead.

Sri Lanka ranks 123rd and Tonga ranks 124th of 205 countries.

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

Head to head by decade

Decade	Sri Lanka	Tonga	Difference	Ahead
2000s	-0.1869 approx. -2.5 to +2.5	-0.8133 approx. -2.5 to +2.5	0.6264 approx. -2.5 to +2.5	Sri Lanka
2010s	-0.2846 approx. -2.5 to +2.5	-0.3435 approx. -2.5 to +2.5	0.0589 approx. -2.5 to +2.5	Sri Lanka
2020s	-0.3475 approx. -2.5 to +2.5	-0.4031 approx. -2.5 to +2.5	0.0555 approx. -2.5 to +2.5	Sri Lanka

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), Sri Lanka or Tonga?: Sri Lanka, at -0.3848 approx. -2.5 to +2.5 against -0.3992 approx. -2.5 to +2.5 in Tonga as of 2024.
What is the difference in control of corruption - governance estimate (approx. -2.5 to +2.5) between Sri Lanka and Tonga?: 0.0144 approx. -2.5 to +2.5, with Sri Lanka ahead.
How many years of comparable data are there for Sri Lanka and Tonga?: 21 years are reported by both, from 2004 to 2024.
How do Sri Lanka and Tonga rank globally for control of corruption - governance estimate (approx. -2.5 to +2.5)?: Sri Lanka ranks 123rd and Tonga ranks 124th of 205 countries.
Where does this data come from?: Statizoid (derived), published as Control of Corruption - Governance estimate (approx. -2.5 to +2.5), gaps filled. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sri Lanka vs Tonga: 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-gaps-filled/sri-lanka/tonga/

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<a href="https://reference.statizoid.com/compare/control-of-corruption-governance-estimate-approx-2-5-to-2-5-gaps-filled/sri-lanka/tonga/">Sri Lanka vs Tonga: 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), gaps filled
Unit: approx. -2.5 to +2.5
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 205 places, 5,744 data points, 1996–2024
Last refreshed: 23 September 2026

Control of Corruption - Governance estimate (approx. -2.5 to +2.5) with 553 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.