Switzerland vs Tonga: Theoretical duration of pre-primary education

Switzerland
2 years
in 2020
Tonga
2 years
in 2019
Switzerland rank
139th
Tonga rank
139th

Theoretical duration of pre-primary education over time

  • Switzerland
  • Tonga
0123197019952020

How they compare

Switzerland 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.

Switzerland 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 Switzerland Tonga Difference Ahead
1970s 2 years 3 years 1 years Tonga
1980s 2 years 2.4 years 0.4 years Tonga
1990s 2 years 2 years 0 years β€”
2000s 2 years 2 years 0 years β€”
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, Switzerland or Tonga?
Switzerland, at 2 years against 2 years in Tonga as of 2020.
What is the difference in theoretical duration of pre-primary education between Switzerland and Tonga?
0 years, with Switzerland ahead.
How many years of comparable data are there for Switzerland and Tonga?
50 years are reported by both, from 1970 to 2019.
How do Switzerland and Tonga rank globally for theoretical duration of pre-primary education?
Switzerland 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.

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Switzerland 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/switzerland/tonga/

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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.