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

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

Where does this data come from?

Statizoid (derived), published as Control of Corruption - 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.

Iraq vs Tanzania: Control of Corruption - Governance estimate (approx. -2.5 to +2.5)

Iraq

14.96 % change on previous year

in 2024

Tanzania

15.06 % change on previous year

in 2024

Iraq rank

28th

Tanzania rank

27th

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

Iraq
Tanzania

How they compare

Tanzania currently reports 15.06 % change on previous year against 14.96 % change on previous year in Iraq, a difference of 0.1 % change on previous year.

The two have swapped places 7 times across 22 shared years of data; in 2003 it was Iraq ahead.

Iraq ranks 28th and Tanzania ranks 27th of 205 countries.

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

Head to head by decade

Decade	Iraq	Tanzania	Difference	Ahead
2000s	-0.3214 % change on previous year	2.02 % change on previous year	2.34 % change on previous year	Tanzania
2010s	-0.3597 % change on previous year	1.41 % change on previous year	1.77 % change on previous year	Tanzania
2020s	3.32 % change on previous year	-2.34 % change on previous year	5.66 % change on previous year	Iraq

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), Iraq or Tanzania?: Tanzania, at 15.06 % change on previous year against 14.96 % change on previous year in Iraq as of 2024.
What is the difference in control of corruption - governance estimate (approx. -2.5 to +2.5) between Iraq and Tanzania?: 0.1 % change on previous year, with Tanzania ahead.
How many years of comparable data are there for Iraq and Tanzania?: 22 years are reported by both, from 2003 to 2024.
How do Iraq and Tanzania rank globally for control of corruption - governance estimate (approx. -2.5 to +2.5)?: Iraq ranks 28th and Tanzania ranks 27th of 205 countries.
Where does this data come from?: Statizoid (derived), published as Control of Corruption - 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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Iraq vs Tanzania: 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-annual-growth-rate/iraq/tanzania/

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<a href="https://reference.statizoid.com/compare/control-of-corruption-governance-estimate-approx-2-5-to-2-5-annual-growth-rate/iraq/tanzania/">Iraq vs Tanzania: 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), 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, 4,410 data points, 2003–2024
Last refreshed: 23 September 2026

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