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

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

Where does this data come from?

Statizoid (derived), published as Government Effectiveness - 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.

Somalia vs Yemen: Government Effectiveness - Governance estimate (approx. -2.5 to)

Somalia

-1.95 approx. -2.5 to +2.5

in 2024

Yemen

-1.87 approx. -2.5 to +2.5

in 2024

Somalia rank

203rd

Yemen rank

201st

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

Somalia
Yemen

How they compare

Yemen currently reports -1.87 approx. -2.5 to +2.5 against -1.95 approx. -2.5 to +2.5 in Somalia, a difference of 0.08 approx. -2.5 to +2.5.

The two have swapped places 4 times across 29 shared years of data; in 1996 it was Yemen ahead.

Somalia ranks 203rd and Yemen ranks 201st of 205 countries.

Yemen has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade	Somalia	Yemen	Difference	Ahead
1990s	-2.03 approx. -2.5 to +2.5	-1.01 approx. -2.5 to +2.5	1.02 approx. -2.5 to +2.5	Yemen
2000s	-2.01 approx. -2.5 to +2.5	-1.04 approx. -2.5 to +2.5	0.9627 approx. -2.5 to +2.5	Yemen
2010s	-2.06 approx. -2.5 to +2.5	-1.48 approx. -2.5 to +2.5	0.5838 approx. -2.5 to +2.5	Yemen
2020s	-1.93 approx. -2.5 to +2.5	-1.91 approx. -2.5 to +2.5	0.0242 approx. -2.5 to +2.5	Yemen

Averages of every year both report within each decade.

Frequently asked questions

Which has higher government effectiveness - governance estimate (approx. -2.5 to), Somalia or Yemen?: Yemen, at -1.87 approx. -2.5 to +2.5 against -1.95 approx. -2.5 to +2.5 in Somalia as of 2024.
What is the difference in government effectiveness - governance estimate (approx. -2.5 to) between Somalia and Yemen?: 0.08 approx. -2.5 to +2.5, with Yemen ahead.
How many years of comparable data are there for Somalia and Yemen?: 29 years are reported by both, from 1996 to 2024.
How do Somalia and Yemen rank globally for government effectiveness - governance estimate (approx. -2.5 to)?: Somalia ranks 203rd and Yemen ranks 201st of 205 countries.
Where does this data come from?: Statizoid (derived), published as Government Effectiveness - 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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Somalia vs Yemen: Government Effectiveness - Governance estimate (approx. -2.5 to). Statizoid, drawing on Statizoid (derived). Retrieved 25 September 2026, from https://reference.statizoid.com/compare/government-effectiveness-governance-estimate-approx-2-5-to-2-5-gaps-filled/somalia-fed-rep/yemen-rep/

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<a href="https://reference.statizoid.com/compare/government-effectiveness-governance-estimate-approx-2-5-to-2-5-gaps-filled/somalia-fed-rep/yemen-rep/">Somalia vs Yemen: Government Effectiveness - Governance estimate (approx. -2.5 to)</a> — Statizoid

About this data

Indicator: Government Effectiveness - 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: 205 places, 5,701 data points, 1996–2024
Last refreshed: 25 September 2026

Government Effectiveness - Governance estimate (approx. -2.5 to +2.5) with 540 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.