How many years of comparable data are there for Singapore 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 15-19, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Singapore vs Tonga: Barro-Lee: Average years of total schooling, age 15-19, total

Singapore

11.97

in 2010

Tonga

11.09

in 2010

Singapore rank

3rd

Tonga rank

6th

Barro-Lee: Average years of total schooling, age 15-19, total over time

Singapore
Tonga

How they compare

Singapore currently reports 11.97 against 11.09 in Tonga, a difference of 0.88.

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

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

Singapore ranks 3rd and Tonga ranks 6th of 144 countries.

Across the 6 decades both report, Singapore averaged higher in 3 and Tonga in 3.

Head to head by decade

Decade	Singapore	Tonga	Difference	Ahead
1960s	6.55	6.29	0.255	Singapore
1970s	8.38	8.51	0.125	Tonga
1980s	8.36	9.18	0.82	Tonga
1990s	8.61	9.34	0.74	Tonga
2000s	10.66	9.03	1.63	Singapore
2010s	11.97	11.09	0.88	Singapore

Averages of every year both report within each decade.

Frequently asked questions

Which has higher barro-lee: average years of total schooling, age 15-19, total, Singapore or Tonga?: Singapore, at 11.97 against 11.09 in Tonga as of 2010.
What is the difference in barro-lee: average years of total schooling, age 15-19, total between Singapore and Tonga?: 0.88, with Singapore ahead.
How many years of comparable data are there for Singapore and Tonga?: 11 years are reported by both, from 1960 to 2010.
How do Singapore and Tonga rank globally for barro-lee: average years of total schooling, age 15-19, total?: Singapore ranks 3rd and Tonga ranks 6th 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 15-19, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Singapore vs Tonga: Barro-Lee: Average years of total schooling, age 15-19, 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-total-schooling-age-15-19-total/singapore/tonga/

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<a href="https://education.statizoid.com/compare/barro-lee-average-years-of-total-schooling-age-15-19-total/singapore/tonga/">Singapore vs Tonga: Barro-Lee: Average years of total schooling, age 15-19, total</a> — Statizoid

About this data

Indicator: Barro-Lee: Average years of total schooling, age 15-19, 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 total schooling, 15-19, total is the average years of education completed among people age 15-19.