What is the difference in theoretical duration of pre-primary education between Lao People's Democratic Republic and South Sudan?

0 years, with Lao People's Democratic Republic ahead.

How many years of comparable data are there for Lao People's Democratic Republic and South Sudan?

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 pre-primary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Lao People's Democratic Republic vs South Sudan: Theoretical duration of pre-primary education

Lao People's Democratic Republic

3 years

in 2019

South Sudan

3 years

in 2019

Lao People's Democratic Republic rank

21st

South Sudan rank

21st

Theoretical duration of pre-primary education over time

Lao People's Democratic Republic
South Sudan

How they compare

Lao People's Democratic Republic currently reports 3 years against 3 years in South Sudan, a difference of 0 years.

Across all 21 years both countries report, South Sudan has been ahead every year.

Lao People's Democratic Republic ranks 21st and South Sudan ranks 21st of 210 countries.

Head to head by decade

Decade	Lao People's Democratic Republic	South Sudan	Ahead
1990s	3 years	3 years	—
2000s	3 years	3 years	—
2010s	3 years	3 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of pre-primary education, Lao People's Democratic Republic or South Sudan?: Lao People's Democratic Republic, at 3 years against 3 years in South Sudan as of 2019.
What is the difference in theoretical duration of pre-primary education between Lao People's Democratic Republic and South Sudan?: 0 years, with Lao People's Democratic Republic ahead.
How many years of comparable data are there for Lao People's Democratic Republic and South Sudan?: 21 years are reported by both, from 1999 to 2019.
How do Lao People's Democratic Republic and South Sudan rank globally for theoretical duration of pre-primary education?: Lao People's Democratic Republic ranks 21st and South Sudan 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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Lao People's Democratic Republic vs South Sudan: Theoretical duration of pre-primary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 25 August 2026, from https://reference.statizoid.com/compare/theoretical-duration-of-pre-primary-education-years/lao-pdr/south-sudan/

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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: 21 August 2026

Number of grades (years) in pre-primary education.