What is the difference in theoretical duration of early childhood education between Sao Tome and Principe and Slovakia?

0 years, with Sao Tome and Principe ahead.

How many years of comparable data are there for Sao Tome and Principe and Slovakia?

21 years are reported by both, from 1999 to 2019.

Where does this data come from?

UNESCO Institute for Statistics, published as Theoretical duration of early childhood education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Sao Tome and Principe vs Slovakia: Theoretical duration of early childhood education

Sao Tome and Principe

3 years

in 2019

Slovakia

3 years

in 2020

Sao Tome and Principe rank

101st

Slovakia rank

101st

Theoretical duration of early childhood education over time

Sao Tome and Principe
Slovakia

How they compare

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

The two have swapped places 1 time across 21 shared years of data; in 1999 it was Sao Tome and Principe ahead.

Sao Tome and Principe ranks 101st and Slovakia ranks 101st of 204 countries.

Sao Tome and Principe has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Sao Tome and Principe	Slovakia	Difference	Ahead
1990s	4 years	3 years	1 years	Sao Tome and Principe
2000s	5 years	3 years	2 years	Sao Tome and Principe
2010s	3.2 years	3 years	0.2 years	Sao Tome and Principe

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of early childhood education, Sao Tome and Principe or Slovakia?: Sao Tome and Principe, at 3 years against 3 years in Slovakia as of 2019.
What is the difference in theoretical duration of early childhood education between Sao Tome and Principe and Slovakia?: 0 years, with Sao Tome and Principe ahead.
How many years of comparable data are there for Sao Tome and Principe and Slovakia?: 21 years are reported by both, from 1999 to 2019.
How do Sao Tome and Principe and Slovakia rank globally for theoretical duration of early childhood education?: Sao Tome and Principe ranks 101st and Slovakia ranks 101st of 204 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Theoretical duration of early childhood education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sao Tome and Principe vs Slovakia: Theoretical duration of early childhood education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 17 September 2026, from https://education.statizoid.com/compare/theoretical-duration-of-early-childhood-education-years/sao-tome-and-principe/slovak-republic/

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About this data

Indicator: Theoretical duration of early childhood education (years)
Unit: years
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 204 places, 4,300 data points, 1970–2020
Last refreshed: 04 September 2026

Number of grades (years) in early childhood education.