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

12 years are reported by both, from 2003 to 2019.

Where does this data come from?

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

Gambia vs Sao Tome and Principe: Theoretical duration of early childhood educational development

Gambia

1 years

in 2020

Sao Tome and Principe

1 years

in 2019

Gambia rank

92nd

Sao Tome and Principe rank

92nd

Theoretical duration of early childhood educational development over time

Gambia
Sao Tome and Principe

How they compare

Gambia currently reports 1 years against 1 years in Sao Tome and Principe, a difference of 0 years.

Across all 12 years both countries report, Sao Tome and Principe has been ahead every year.

Gambia ranks 92nd and Sao Tome and Principe ranks 92nd of 98 countries.

Sao Tome and Principe has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade	Gambia	Sao Tome and Principe	Difference	Ahead
2000s	1 years	2 years	1 years	Sao Tome and Principe
2010s	1 years	1.2 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 educational development, Gambia or Sao Tome and Principe?: Gambia, at 1 years against 1 years in Sao Tome and Principe as of 2020.
What is the difference in theoretical duration of early childhood educational development between Gambia and Sao Tome and Principe?: 0 years, with Gambia ahead.
How many years of comparable data are there for Gambia and Sao Tome and Principe?: 12 years are reported by both, from 2003 to 2019.
How do Gambia and Sao Tome and Principe rank globally for theoretical duration of early childhood educational development?: Gambia ranks 92nd and Sao Tome and Principe ranks 92nd of 98 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Theoretical duration of early childhood educational development (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

Gambia vs Sao Tome and Principe: Theoretical duration of early childhood educational development. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 08 September 2026, from https://reference.statizoid.com/compare/theoretical-duration-of-early-childhood-educational-development-years/gambia-the/sao-tome-and-principe/

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-early-childhood-educational-development-years/gambia-the/sao-tome-and-principe/">Gambia vs Sao Tome and Principe: Theoretical duration of early childhood educational development</a> — Statizoid

About this data

Indicator: Theoretical duration of early childhood educational development (years)
Unit: years
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 98 places, 1,343 data points, 1972–2020
Last refreshed: 04 September 2026

Number of grades (years) in early childhood educational development.