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

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 secondary schooling, age 25+, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Congo vs Costa Rica: Barro-Lee: Average years of secondary schooling, age 25+, total

Congo

2.05

in 2010

Costa Rica

1.97

in 2010

Congo rank

94th

Costa Rica rank

97th

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

Congo
Costa Rica

How they compare

Congo currently reports 2.05 against 1.97 in Costa Rica, a difference of 0.08.

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

Congo ranks 94th and Costa Rica ranks 97th of 144 countries.

Across the 6 decades both report, Congo averaged higher in 3 and Costa Rica in 3.

Head to head by decade

Decade	Congo	Costa Rica	Difference	Ahead
1960s	0.1	0.415	0.315	Costa Rica
1970s	0.295	0.58	0.285	Costa Rica
1980s	0.89	1.03	0.14	Costa Rica
1990s	1.74	1.55	0.185	Congo
2000s	2.12	1.97	0.16	Congo
2010s	2.05	1.97	0.08	Congo

Averages of every year both report within each decade.

Frequently asked questions

Which has higher barro-lee: average years of secondary schooling, age 25+, total, Congo or Costa Rica?: Congo, at 2.05 against 1.97 in Costa Rica as of 2010.
What is the difference in barro-lee: average years of secondary schooling, age 25+, total between Congo and Costa Rica?: 0.08, with Congo ahead.
How many years of comparable data are there for Congo and Costa Rica?: 11 years are reported by both, from 1960 to 2010.
How do Congo and Costa Rica rank globally for barro-lee: average years of secondary schooling, age 25+, total?: Congo ranks 94th and Costa Rica ranks 97th 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 secondary schooling, age 25+, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Congo vs Costa Rica: Barro-Lee: Average years of secondary schooling, age 25+, total. Statizoid, drawing on Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/. Retrieved 04 September 2026, from https://education.statizoid.com/compare/barro-lee-average-years-of-secondary-schooling-age-25-total/congo-rep/costa-rica/

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<a href="https://education.statizoid.com/compare/barro-lee-average-years-of-secondary-schooling-age-25-total/congo-rep/costa-rica/">Congo vs Costa Rica: Barro-Lee: Average years of secondary schooling, age 25+, total</a> — Statizoid

About this data

Indicator: Barro-Lee: Average years of secondary 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 secondary schooling, 25+, total is the average years of secondary education completed among people over age 25.