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

11 years are reported by both, from 1960 to 2010.

Where does this data come from?

Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/, published as Barro-Lee: Average years of primary schooling, age 25+, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Gambia vs Niger: Barro-Lee: Average years of primary schooling, age 25+, total

Gambia

1.62

in 2010

Niger

1.11

in 2010

Gambia rank

141st

Niger rank

142nd

Barro-Lee: Average years of primary schooling, age 25+, total over time

Gambia
Niger

How they compare

Gambia currently reports 1.62 against 1.11 in Niger, a difference of 0.51.

That makes Gambia's figure about 1.5 times Niger's.

The two have swapped places 1 time across 11 shared years of data; in 1960 it was Niger ahead.

Gambia ranks 141st and Niger ranks 142nd of 144 countries.

Across the 6 decades both report, Gambia averaged higher in 4 and Niger in 2.

Head to head by decade

Decade	Gambia	Niger	Difference	Ahead
1960s	0.235	0.375	0.14	Niger
1970s	0.27	0.385	0.115	Niger
1980s	0.485	0.435	0.05	Gambia
1990s	0.89	0.615	0.275	Gambia
2000s	1.27	0.915	0.36	Gambia
2010s	1.62	1.11	0.51	Gambia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher barro-lee: average years of primary schooling, age 25+, total, Gambia or Niger?: Gambia, at 1.62 against 1.11 in Niger as of 2010.
What is the difference in barro-lee: average years of primary schooling, age 25+, total between Gambia and Niger?: 0.51, with Gambia ahead.
How many years of comparable data are there for Gambia and Niger?: 11 years are reported by both, from 1960 to 2010.
How do Gambia and Niger rank globally for barro-lee: average years of primary schooling, age 25+, total?: Gambia ranks 141st and Niger ranks 142nd of 144 countries.
Where does this data come from?: Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/, published as Barro-Lee: Average years of primary schooling, age 25+, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Gambia vs Niger: Barro-Lee: Average years of primary schooling, age 25+, total. Statizoid, drawing on Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/. Retrieved 06 September 2026, from https://education.statizoid.com/compare/barro-lee-average-years-of-primary-schooling-age-25-total/gambia-the/niger/

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<a href="https://education.statizoid.com/compare/barro-lee-average-years-of-primary-schooling-age-25-total/gambia-the/niger/">Gambia vs Niger: Barro-Lee: Average years of primary schooling, age 25+, total</a> — Statizoid

About this data

Indicator: Barro-Lee: Average years of primary schooling, age 25+, total
Source: Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 144 places, 1,584 data points, 1960–2010
Last refreshed: 04 September 2026

Average years of primary schooling, 25+, total is the average years of primary education completed among people over age 25.