Sri Lanka vs Tonga: Theoretical duration of pre-primary education

Sri Lanka
2 years
in 2019
Tonga
2 years
in 2019
Sri Lanka rank
139th
Tonga rank
139th

Theoretical duration of pre-primary education over time

  • Sri Lanka
  • Tonga
11.522.53197019942019

How they compare

Sri Lanka currently reports 2 years against 2 years in Tonga, a difference of 0 years.

Across all 50 years both countries report, Tonga has been ahead every year.

Sri Lanka ranks 139th and Tonga ranks 139th of 210 countries.

Tonga has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade Sri Lanka Tonga Difference Ahead
1970s 1 years 3 years 2 years Tonga
1980s 1 years 2.4 years 1.4 years Tonga
1990s 1 years 2 years 1 years Tonga
2000s 1 years 2 years 1 years Tonga
2010s 2 years 2 years 0 years β€”

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of pre-primary education, Sri Lanka or Tonga?
Sri Lanka, at 2 years against 2 years in Tonga as of 2019.
What is the difference in theoretical duration of pre-primary education between Sri Lanka and Tonga?
0 years, with Sri Lanka ahead.
How many years of comparable data are there for Sri Lanka and Tonga?
50 years are reported by both, from 1970 to 2019.
How do Sri Lanka and Tonga rank globally for theoretical duration of pre-primary education?
Sri Lanka ranks 139th and Tonga ranks 139th of 210 countries.
Where does this data come from?
UNESCO Institute for Statistics, published as Theoretical duration of pre-primary education (years). 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

Sri Lanka vs Tonga: Theoretical duration of pre-primary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 17 August 2026, from https://reference.statizoid.com/compare/theoretical-duration-of-pre-primary-education-years/sri-lanka/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://reference.statizoid.com/compare/theoretical-duration-of-pre-primary-education-years/sri-lanka/tonga/">Sri Lanka vs Tonga: Theoretical duration of pre-primary education</a> β€” Statizoid

About this data

Indicator
Theoretical duration of pre-primary education (years)
Unit
years
Source
UNESCO Institute for Statistics
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
210 places, 10,271 data points, 1970–2020
Last refreshed

Number of grades (years) in pre-primary education.