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

22 years are reported by both, from 2003 to 2024.

Where does this data come from?

Statizoid (derived), published as Voice and Accountability - 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.

Tanzania vs Tonga: Voice and Accountability - Governance estimate (approx. -2.5 to)

Tanzania

-2.85 % change on previous year

in 2024

Tonga

-2.89 % change on previous year

in 2024

Tanzania rank

128th

Tonga rank

129th

Voice and Accountability - Governance estimate (approx. -2.5 to) over time

Tanzania
Tonga

How they compare

Tanzania currently reports -2.85 % change on previous year against -2.89 % change on previous year in Tonga, a difference of 0.04 % change on previous year.

The two have swapped places 10 times across 22 shared years of data; in 2003 it was Tanzania ahead.

Tanzania ranks 128th and Tonga ranks 129th of 207 countries.

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

Head to head by decade

Decade	Tanzania	Tonga	Difference	Ahead
2000s	-62.37 % change on previous year	-101.06 % change on previous year	38.68 % change on previous year	Tanzania
2010s	-29.25 % change on previous year	17.06 % change on previous year	46.31 % change on previous year	Tonga
2020s	-6.64 % change on previous year	5.29 % change on previous year	11.93 % change on previous year	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher voice and accountability - governance estimate (approx. -2.5 to), Tanzania or Tonga?: Tanzania, at -2.85 % change on previous year against -2.89 % change on previous year in Tonga as of 2024.
What is the difference in voice and accountability - governance estimate (approx. -2.5 to) between Tanzania and Tonga?: 0.04 % change on previous year, with Tanzania ahead.
How many years of comparable data are there for Tanzania and Tonga?: 22 years are reported by both, from 2003 to 2024.
How do Tanzania and Tonga rank globally for voice and accountability - governance estimate (approx. -2.5 to)?: Tanzania ranks 128th and Tonga ranks 129th of 207 countries.
Where does this data come from?: Statizoid (derived), published as Voice and Accountability - 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.

Individual pages

Share, cite or embed this page

Cite this page

Tanzania vs Tonga: Voice and Accountability - Governance estimate (approx. -2.5 to). Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://reference.statizoid.com/compare/voice-and-accountability-governance-estimate-approx-2-5-to-2-5-annual-growth-rate/tanzania/tonga/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under Derived by Statizoid from the sources named on the page; please keep the attribution.

<a href="https://reference.statizoid.com/compare/voice-and-accountability-governance-estimate-approx-2-5-to-2-5-annual-growth-rate/tanzania/tonga/">Tanzania vs Tonga: Voice and Accountability - Governance estimate (approx. -2.5 to)</a> — Statizoid

About this data

Indicator: Voice and Accountability - 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: 207 places, 4,467 data points, 2003–2024
Last refreshed: 23 September 2026

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