How many years of comparable data are there for Bosnia and Herzegovina and Zambia?

5 years are reported by both, from 1998 to 2013.

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.

Bosnia and Herzegovina vs Zambia: Theoretical duration of early childhood educational development

Bosnia and Herzegovina

2 years

in 2019

Zambia

2 years

in 2013

Bosnia and Herzegovina rank

57th

Zambia rank

57th

Theoretical duration of early childhood educational development over time

Bosnia and Herzegovina
Zambia

How they compare

Bosnia and Herzegovina currently reports 2 years against 2 years in Zambia, a difference of 0 years.

Across all 5 years both countries report, Zambia has been ahead every year.

Bosnia and Herzegovina ranks 57th and Zambia ranks 57th of 98 countries.

Zambia has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Bosnia and Herzegovina	Zambia	Difference	Ahead
1990s	1 years	3 years	2 years	Zambia
2000s	1 years	3 years	2 years	Zambia
2010s	2 years	2 years	0 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of early childhood educational development, Bosnia and Herzegovina or Zambia?: Bosnia and Herzegovina, at 2 years against 2 years in Zambia as of 2019.
What is the difference in theoretical duration of early childhood educational development between Bosnia and Herzegovina and Zambia?: 0 years, with Bosnia and Herzegovina ahead.
How many years of comparable data are there for Bosnia and Herzegovina and Zambia?: 5 years are reported by both, from 1998 to 2013.
How do Bosnia and Herzegovina and Zambia rank globally for theoretical duration of early childhood educational development?: Bosnia and Herzegovina ranks 57th and Zambia ranks 57th 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.

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Bosnia and Herzegovina vs Zambia: Theoretical duration of early childhood educational development. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 11 September 2026, from https://reference.statizoid.com/compare/theoretical-duration-of-early-childhood-educational-development-years/bosnia-and-herzegovina/zambia/

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<a href="https://reference.statizoid.com/compare/theoretical-duration-of-early-childhood-educational-development-years/bosnia-and-herzegovina/zambia/">Bosnia and Herzegovina vs Zambia: 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.