Bulgaria vs Mongolia: Theoretical duration of pre-primary education

Bulgaria
4 years
in 2019
Mongolia
4 years
in 2019
Bulgaria rank
1st
Mongolia rank
1st

Theoretical duration of pre-primary education over time

  • Bulgaria
  • Mongolia
012345197019942019

How they compare

Bulgaria currently reports 4 years against 4 years in Mongolia, a difference of 0 years.

The two have swapped places 2 times across 50 shared years of data; in 1970 it was Mongolia ahead.

Bulgaria ranks 1st and Mongolia ranks 1st of 210 countries.

Across the 5 decades both report, Bulgaria averaged higher in 1 and Mongolia in 2.

Head to head by decade

Decade Bulgaria Mongolia Difference Ahead
1970s 4 years 4 years 0 years —
1980s 4 years 4 years 0 years —
1990s 4 years 4.2 years 0.2 years Mongolia
2000s 4 years 4.4 years 0.4 years Mongolia
2010s 4 years 3.7 years 0.3 years Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of pre-primary education, Bulgaria or Mongolia?
Bulgaria, at 4 years against 4 years in Mongolia as of 2019.
What is the difference in theoretical duration of pre-primary education between Bulgaria and Mongolia?
0 years, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Mongolia?
50 years are reported by both, from 1970 to 2019.
How do Bulgaria and Mongolia rank globally for theoretical duration of pre-primary education?
Bulgaria ranks 1st and Mongolia ranks 1st 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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Bulgaria vs Mongolia: Theoretical duration of pre-primary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 29 September 2026, from https://reference.statizoid.com/compare/theoretical-duration-of-pre-primary-education-years/bulgaria/mongolia/

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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.