How many years of comparable data are there for Switzerland and Tonga?

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 total schooling, age 20-24, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Switzerland vs Tonga: Barro-Lee: Average years of total schooling, age 20-24, total

Switzerland

12.45

in 2010

Tonga

12.19

in 2010

Switzerland rank

15th

Tonga rank

17th

Barro-Lee: Average years of total schooling, age 20-24, total over time

Switzerland
Tonga

How they compare

Switzerland currently reports 12.45 against 12.19 in Tonga, a difference of 0.26.

The two have swapped places 2 times across 11 shared years of data; in 1960 it was Switzerland ahead.

Switzerland ranks 15th and Tonga ranks 17th of 144 countries.

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

Head to head by decade

Decade	Switzerland	Tonga	Difference	Ahead
1960s	8.68	6.54	2.14	Switzerland
1970s	10.66	8.02	2.64	Switzerland
1980s	11.63	8.41	3.22	Switzerland
1990s	11.2	9.59	1.61	Switzerland
2000s	10.82	10.63	0.19	Switzerland
2010s	12.45	12.19	0.26	Switzerland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher barro-lee: average years of total schooling, age 20-24, total, Switzerland or Tonga?: Switzerland, at 12.45 against 12.19 in Tonga as of 2010.
What is the difference in barro-lee: average years of total schooling, age 20-24, total between Switzerland and Tonga?: 0.26, with Switzerland ahead.
How many years of comparable data are there for Switzerland and Tonga?: 11 years are reported by both, from 1960 to 2010.
How do Switzerland and Tonga rank globally for barro-lee: average years of total schooling, age 20-24, total?: Switzerland ranks 15th and Tonga ranks 17th 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 total schooling, age 20-24, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Switzerland vs Tonga: Barro-Lee: Average years of total schooling, age 20-24, total. Statizoid, drawing on Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/. Retrieved 03 September 2026, from https://education.statizoid.com/compare/barro-lee-average-years-of-total-schooling-age-20-24-total/switzerland/tonga/

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<a href="https://education.statizoid.com/compare/barro-lee-average-years-of-total-schooling-age-20-24-total/switzerland/tonga/">Switzerland vs Tonga: Barro-Lee: Average years of total schooling, age 20-24, total</a> — Statizoid

About this data

Indicator: Barro-Lee: Average years of total schooling, age 20-24, 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: 21 August 2026

Average years of total schooling, 20-24, total is the average years of education completed among people age 20-24.