How many years of comparable data are there for Sudan and Tanzania, United Republic of?

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

Sudan vs Tanzania, United Republic of: Barro-Lee: Average years of secondary schooling, age 15+, total

Sudan

0.58

in 2010

Tanzania, United Republic of

0.57

in 2010

Sudan rank

140th

Tanzania, United Republic of rank

141st

Barro-Lee: Average years of secondary schooling, age 15+, total over time

Sudan
Tanzania, United Republic of

How they compare

Sudan currently reports 0.58 against 0.57 in Tanzania, United Republic of, a difference of 0.01.

Across all 11 years both countries report, Sudan has been ahead every year.

Sudan ranks 140th and Tanzania, United Republic of ranks 141st of 144 countries.

Sudan has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	Sudan	Tanzania, United Republic of	Difference	Ahead
1960s	0.11	0.035	0.075	Sudan
1970s	0.185	0.095	0.09	Sudan
1980s	0.33	0.155	0.175	Sudan
1990s	0.525	0.215	0.31	Sudan
2000s	0.58	0.3	0.28	Sudan
2010s	0.58	0.57	0.01	Sudan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher barro-lee: average years of secondary schooling, age 15+, total, Sudan or Tanzania, United Republic of?: Sudan, at 0.58 against 0.57 in Tanzania, United Republic of as of 2010.
What is the difference in barro-lee: average years of secondary schooling, age 15+, total between Sudan and Tanzania, United Republic of?: 0.01, with Sudan ahead.
How many years of comparable data are there for Sudan and Tanzania, United Republic of?: 11 years are reported by both, from 1960 to 2010.
How do Sudan and Tanzania, United Republic of rank globally for barro-lee: average years of secondary schooling, age 15+, total?: Sudan ranks 140th and Tanzania, United Republic of ranks 141st 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 15+, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sudan vs Tanzania, United Republic of: Barro-Lee: Average years of secondary schooling, age 15+, 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-secondary-schooling-age-15-total/sudan/tanzania/

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<a href="https://education.statizoid.com/compare/barro-lee-average-years-of-secondary-schooling-age-15-total/sudan/tanzania/">Sudan vs Tanzania, United Republic of: Barro-Lee: Average years of secondary schooling, age 15+, total</a> — Statizoid

About this data

Indicator: Barro-Lee: Average years of secondary schooling, age 15+, 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, 15+, total is the average years of secondary education completed among people over age 15.