Brunei Darussalam vs Sao Tome and Principe: Theoretical duration of pre-primary education

Brunei Darussalam
3 years
in 2019
Sao Tome and Principe
3 years
in 2019
Brunei Darussalam rank
21st
Sao Tome and Principe rank
21st

Theoretical duration of pre-primary education over time

  • Brunei Darussalam
  • Sao Tome and Principe
01234197019942019

How they compare

Brunei Darussalam currently reports 3 years against 3 years in Sao Tome and Principe, a difference of 0 years.

Across all 50 years both countries report, Sao Tome and Principe has been ahead every year.

Brunei Darussalam ranks 21st and Sao Tome and Principe ranks 21st of 210 countries.

Sao Tome and Principe has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade Brunei Darussalam Sao Tome and Principe Difference Ahead
1970s 3 years 4 years 1 years Sao Tome and Principe
1980s 3 years 4 years 1 years Sao Tome and Principe
1990s 3 years 4 years 1 years Sao Tome and Principe
2000s 3 years 3.6 years 0.6 years Sao Tome and Principe
2010s 3 years 3 years 0 years

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of pre-primary education, Brunei Darussalam or Sao Tome and Principe?
Brunei Darussalam, at 3 years against 3 years in Sao Tome and Principe as of 2019.
What is the difference in theoretical duration of pre-primary education between Brunei Darussalam and Sao Tome and Principe?
0 years, with Brunei Darussalam ahead.
How many years of comparable data are there for Brunei Darussalam and Sao Tome and Principe?
50 years are reported by both, from 1970 to 2019.
How do Brunei Darussalam and Sao Tome and Principe rank globally for theoretical duration of pre-primary education?
Brunei Darussalam ranks 21st and Sao Tome and Principe ranks 21st 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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Brunei Darussalam vs Sao Tome and Principe: Theoretical duration of pre-primary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 05 September 2026, from https://reference.statizoid.com/compare/theoretical-duration-of-pre-primary-education-years/brunei-darussalam/sao-tome-and-principe/

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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.