How many years of comparable data are there for Congo and Liberia?

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 75+, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Congo vs Liberia: Barro-Lee: Average years of primary schooling, age 75+, total

Congo

0.76

in 2010

Liberia

0.63

in 2010

Congo rank

120th

Liberia rank

123rd

Barro-Lee: Average years of primary schooling, age 75+, total over time

Congo
Liberia

How they compare

Congo currently reports 0.76 against 0.63 in Liberia, a difference of 0.13.

That makes Congo's figure about 1.2 times Liberia's.

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

Congo ranks 120th and Liberia ranks 123rd of 144 countries.

Across the 6 decades both report, Congo averaged higher in 1 and Liberia in 5.

Head to head by decade

Decade	Congo	Liberia	Difference	Ahead
1960s	0.25	0.425	0.175	Liberia
1970s	0.345	0.62	0.275	Liberia
1980s	0.355	0.78	0.425	Liberia
1990s	0.365	0.785	0.42	Liberia
2000s	0.415	0.68	0.265	Liberia
2010s	0.76	0.63	0.13	Congo

Averages of every year both report within each decade.

Frequently asked questions

Which has higher barro-lee: average years of primary schooling, age 75+, total, Congo or Liberia?: Congo, at 0.76 against 0.63 in Liberia as of 2010.
What is the difference in barro-lee: average years of primary schooling, age 75+, total between Congo and Liberia?: 0.13, with Congo ahead.
How many years of comparable data are there for Congo and Liberia?: 11 years are reported by both, from 1960 to 2010.
How do Congo and Liberia rank globally for barro-lee: average years of primary schooling, age 75+, total?: Congo ranks 120th and Liberia ranks 123rd 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 75+, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator: Barro-Lee: Average years of primary schooling, age 75+, 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: 07 August 2026

Average years of primary schooling, 75+, total is the average years of primary education completed among people over age 75.