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

20 years are reported by both, from 2005 to 2024.

Where does this data come from?

Statizoid (derived), published as Government Effectiveness - 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.

Senegal vs Tonga: Government Effectiveness - Governance estimate (approx. -2.5 to)

Senegal

54.6 % change on previous year

in 2024

Tonga

74.08 % change on previous year

in 2024

Senegal rank

13th

Tonga rank

10th

Government Effectiveness - Governance estimate (approx. -2.5 to) over time

Senegal
Tonga

How they compare

Tonga currently reports 74.08 % change on previous year against 54.6 % change on previous year in Senegal, a difference of 19.48 % change on previous year.

That makes Tonga's figure about 1.4 times Senegal's.

The two have swapped places 7 times across 20 shared years of data; in 2005 it was Senegal ahead.

Senegal ranks 13th and Tonga ranks 10th of 205 countries.

Across the 3 decades both report, Senegal averaged higher in 1 and Tonga in 2.

Head to head by decade

Decade	Senegal	Tonga	Difference	Ahead
2000s	8.85 % change on previous year	15.2 % change on previous year	6.35 % change on previous year	Tonga
2010s	18.34 % change on previous year	37.7 % change on previous year	19.36 % change on previous year	Tonga
2020s	18.92 % change on previous year	-77.58 % change on previous year	96.5 % change on previous year	Senegal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher government effectiveness - governance estimate (approx. -2.5 to), Senegal or Tonga?: Tonga, at 74.08 % change on previous year against 54.6 % change on previous year in Senegal as of 2024.
What is the difference in government effectiveness - governance estimate (approx. -2.5 to) between Senegal and Tonga?: 19.48 % change on previous year, with Tonga ahead.
How many years of comparable data are there for Senegal and Tonga?: 20 years are reported by both, from 2005 to 2024.
How do Senegal and Tonga rank globally for government effectiveness - governance estimate (approx. -2.5 to)?: Senegal ranks 13th and Tonga ranks 10th of 205 countries.
Where does this data come from?: Statizoid (derived), published as Government Effectiveness - 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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Senegal vs Tonga: Government Effectiveness - Governance estimate (approx. -2.5 to). Statizoid, drawing on Statizoid (derived). Retrieved 29 September 2026, from https://reference.statizoid.com/compare/government-effectiveness-governance-estimate-approx-2-5-to-2-5-annual-growth-rate/senegal/tonga/

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<a href="https://reference.statizoid.com/compare/government-effectiveness-governance-estimate-approx-2-5-to-2-5-annual-growth-rate/senegal/tonga/">Senegal vs Tonga: Government Effectiveness - Governance estimate (approx. -2.5 to)</a> — Statizoid

About this data

Indicator: Government Effectiveness - 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, 4,388 data points, 2003–2024
Last refreshed: 25 September 2026

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