How many years of comparable data are there for Serbia 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 tertiary schooling, age 20-24, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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

Serbia

0.17

in 2010

Tonga

0.16

in 2010

Serbia rank

91st

Tonga rank

92nd

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

Serbia
Tonga

How they compare

Serbia currently reports 0.17 against 0.16 in Tonga, a difference of 0.01.

That makes Serbia's figure about 1.1 times Tonga's.

The two have swapped places 6 times across 11 shared years of data; in 1960 it was Serbia ahead.

Serbia ranks 91st and Tonga ranks 92nd of 144 countries.

Across the 6 decades both report, Serbia averaged higher in 5 and Tonga in 1.

Head to head by decade

Decade	Serbia	Tonga	Difference	Ahead
1960s	0.14	0.06	0.08	Serbia
1970s	0.165	0.09	0.075	Serbia
1980s	0.145	0.1	0.045	Serbia
1990s	0.32	0.19	0.13	Serbia
2000s	0.365	0.385	0.02	Tonga
2010s	0.17	0.16	0.01	Serbia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher barro-lee: average years of tertiary schooling, age 20-24, total, Serbia or Tonga?: Serbia, at 0.17 against 0.16 in Tonga as of 2010.
What is the difference in barro-lee: average years of tertiary schooling, age 20-24, total between Serbia and Tonga?: 0.01, with Serbia ahead.
How many years of comparable data are there for Serbia and Tonga?: 11 years are reported by both, from 1960 to 2010.
How do Serbia and Tonga rank globally for barro-lee: average years of tertiary schooling, age 20-24, total?: Serbia ranks 91st and Tonga ranks 92nd 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 tertiary schooling, age 20-24, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Serbia vs Tonga: Barro-Lee: Average years of tertiary 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-tertiary-schooling-age-20-24-total/serbia/tonga/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (World Bank Open Data); please keep the attribution.

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

About this data

Indicator: Barro-Lee: Average years of tertiary 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 tertiary schooling, 20-24, total is the average years of tertiary education completed among people age 20-24.