How many years of comparable data are there for Gambia and Zambia?

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.

Gambia vs Zambia: Government Effectiveness - Governance estimate (approx. -2.5 to)

Gambia

-0.5358 approx. -2.5 to +2.5

in 2024

Zambia

-0.5331 approx. -2.5 to +2.5

in 2024

Gambia rank

142nd

Zambia rank

141st

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

Gambia
Zambia

How they compare

Zambia currently reports -0.5331 approx. -2.5 to +2.5 against -0.5358 approx. -2.5 to +2.5 in Gambia, a difference of 0.0027 approx. -2.5 to +2.5.

The two have swapped places 3 times across 29 shared years of data; in 1996 it was Gambia ahead.

Gambia ranks 142nd and Zambia ranks 141st of 205 countries.

Across the 4 decades both report, Gambia averaged higher in 3 and Zambia in 1.

Head to head by decade

Decade	Gambia	Zambia	Difference	Ahead
1990s	-0.5898 approx. -2.5 to +2.5	-1.35 approx. -2.5 to +2.5	0.7617 approx. -2.5 to +2.5	Gambia
2000s	-0.6941 approx. -2.5 to +2.5	-1.01 approx. -2.5 to +2.5	0.32 approx. -2.5 to +2.5	Gambia
2010s	-0.5799 approx. -2.5 to +2.5	-0.5351 approx. -2.5 to +2.5	0.0447 approx. -2.5 to +2.5	Zambia
2020s	-0.5215 approx. -2.5 to +2.5	-0.6294 approx. -2.5 to +2.5	0.1079 approx. -2.5 to +2.5	Gambia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher government effectiveness - governance estimate (approx. -2.5 to), Gambia or Zambia?: Zambia, at -0.5331 approx. -2.5 to +2.5 against -0.5358 approx. -2.5 to +2.5 in Gambia as of 2024.
What is the difference in government effectiveness - governance estimate (approx. -2.5 to) between Gambia and Zambia?: 0.0027 approx. -2.5 to +2.5, with Zambia ahead.
How many years of comparable data are there for Gambia and Zambia?: 29 years are reported by both, from 1996 to 2024.
How do Gambia and Zambia rank globally for government effectiveness - governance estimate (approx. -2.5 to)?: Gambia ranks 142nd and Zambia ranks 141st 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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Gambia vs Zambia: 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/gambia-the/zambia/

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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.