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

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 Yemen: Voice and Accountability - Governance estimate (approx. -2.5 to)

Tanzania

-2.85 % change on previous year

in 2024

Yemen

-3.02 % change on previous year

in 2024

Tanzania rank

128th

Yemen rank

131st

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

Tanzania
Yemen

How they compare

Tanzania currently reports -2.85 % change on previous year against -3.02 % change on previous year in Yemen, a difference of 0.17 % change on previous year.

The two have swapped places 9 times across 22 shared years of data; in 2003 it was Yemen ahead.

Tanzania ranks 128th and Yemen ranks 131st of 207 countries.

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

Head to head by decade

Decade	Tanzania	Yemen	Difference	Ahead
2000s	-62.37 % change on previous year	0.6447 % change on previous year	63.02 % change on previous year	Yemen
2010s	-29.25 % change on previous year	-4.32 % change on previous year	24.93 % change on previous year	Yemen
2020s	-6.64 % change on previous year	0.1562 % change on previous year	6.8 % change on previous year	Yemen

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 Yemen?: Tanzania, at -2.85 % change on previous year against -3.02 % change on previous year in Yemen as of 2024.
What is the difference in voice and accountability - governance estimate (approx. -2.5 to) between Tanzania and Yemen?: 0.17 % change on previous year, with Tanzania ahead.
How many years of comparable data are there for Tanzania and Yemen?: 22 years are reported by both, from 2003 to 2024.
How do Tanzania and Yemen rank globally for voice and accountability - governance estimate (approx. -2.5 to)?: Tanzania ranks 128th and Yemen ranks 131st 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.

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Tanzania vs Yemen: 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/yemen-rep/

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<a href="https://reference.statizoid.com/compare/voice-and-accountability-governance-estimate-approx-2-5-to-2-5-annual-growth-rate/tanzania/yemen-rep/">Tanzania vs Yemen: 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.