How many years of comparable data are there for Chad and Iran?

29 years are reported by both, from 1996 to 2024.

Where does this data come from?

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

Chad vs Iran: Voice and Accountability - Governance estimate (approx. -2.5 to)

Chad

-1.52 approx. -2.5 to +2.5

in 2024

Iran

-1.55 approx. -2.5 to +2.5

in 2024

Chad rank

187th

Iran rank

189th

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

Chad
Iran

How they compare

Chad currently reports -1.52 approx. -2.5 to +2.5 against -1.55 approx. -2.5 to +2.5 in Iran, a difference of 0.03 approx. -2.5 to +2.5.

The two have swapped places 5 times across 29 shared years of data; in 1996 it was Iran ahead.

Chad ranks 187th and Iran ranks 189th of 207 countries.

Across the 4 decades both report, Chad averaged higher in 2 and Iran in 2.

Head to head by decade

Decade	Chad	Iran	Difference	Ahead
1990s	-1.26 approx. -2.5 to +2.5	-1.06 approx. -2.5 to +2.5	0.2001 approx. -2.5 to +2.5	Iran
2000s	-1.28 approx. -2.5 to +2.5	-1.21 approx. -2.5 to +2.5	0.0701 approx. -2.5 to +2.5	Iran
2010s	-1.26 approx. -2.5 to +2.5	-1.39 approx. -2.5 to +2.5	0.1269 approx. -2.5 to +2.5	Chad
2020s	-1.42 approx. -2.5 to +2.5	-1.51 approx. -2.5 to +2.5	0.0928 approx. -2.5 to +2.5	Chad

Averages of every year both report within each decade.

Frequently asked questions

Which has higher voice and accountability - governance estimate (approx. -2.5 to), Chad or Iran?: Chad, at -1.52 approx. -2.5 to +2.5 against -1.55 approx. -2.5 to +2.5 in Iran as of 2024.
What is the difference in voice and accountability - governance estimate (approx. -2.5 to) between Chad and Iran?: 0.03 approx. -2.5 to +2.5, with Chad ahead.
How many years of comparable data are there for Chad and Iran?: 29 years are reported by both, from 1996 to 2024.
How do Chad and Iran rank globally for voice and accountability - governance estimate (approx. -2.5 to)?: Chad ranks 187th and Iran ranks 189th of 207 countries.
Where does this data come from?: Statizoid (derived), published as Voice and Accountability - 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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Chad vs Iran: 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-gaps-filled/chad/iran-islamic-rep/

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<a href="https://reference.statizoid.com/compare/voice-and-accountability-governance-estimate-approx-2-5-to-2-5-gaps-filled/chad/iran-islamic-rep/">Chad vs Iran: 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), gaps filled
Unit: approx. -2.5 to +2.5
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 207 places, 5,882 data points, 1996–2024
Last refreshed: 23 September 2026

Voice and Accountability - Governance estimate (approx. -2.5 to +2.5) with 597 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.