How many years of comparable data are there for Sierra Leone and Sri Lanka?

50 years are reported by both, from 1970 to 2019.

Where does this data come from?

UNESCO Institute for Statistics, published as School age population, pre-primary education, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Sierra Leone vs Sri Lanka: School age population, pre-primary education, both sexes

Sierra Leone

657,168 number

in 2019

Sri Lanka

670,628 number

in 2019

Sierra Leone rank

78th

Sri Lanka rank

76th

School age population, pre-primary education, both sexes over time

Sierra Leone
Sri Lanka

How they compare

Sri Lanka currently reports 670,628 number against 657,168 number in Sierra Leone, a difference of 13,460 number.

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

Sierra Leone ranks 78th and Sri Lanka ranks 76th of 206 countries.

Across the 5 decades both report, Sierra Leone averaged higher in 1 and Sri Lanka in 4.

Head to head by decade

Decade	Sierra Leone	Sri Lanka	Difference	Ahead
1970s	184,819 number	352,755 number	167,936 number	Sri Lanka
1980s	240,057 number	378,035 number	137,978 number	Sri Lanka
1990s	311,888 number	350,322 number	38,434 number	Sri Lanka
2000s	502,964 number	336,132 number	166,832 number	Sierra Leone
2010s	629,801 number	696,882 number	67,081 number	Sri Lanka

Averages of every year both report within each decade.

Frequently asked questions

Which has higher school age population, pre-primary education, both sexes, Sierra Leone or Sri Lanka?: Sri Lanka, at 670,628 number against 657,168 number in Sierra Leone as of 2019.
What is the difference in school age population, pre-primary education, both sexes between Sierra Leone and Sri Lanka?: 13,460 number, with Sri Lanka ahead.
How many years of comparable data are there for Sierra Leone and Sri Lanka?: 50 years are reported by both, from 1970 to 2019.
How do Sierra Leone and Sri Lanka rank globally for school age population, pre-primary education, both sexes?: Sierra Leone ranks 78th and Sri Lanka ranks 76th of 206 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as School age population, pre-primary education, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sierra Leone vs Sri Lanka: School age population, pre-primary education, both sexes. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 06 September 2026, from https://education.statizoid.com/compare/school-age-population-pre-primary-education-both-sexes-number/sierra-leone/sri-lanka/

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<a href="https://education.statizoid.com/compare/school-age-population-pre-primary-education-both-sexes-number/sierra-leone/sri-lanka/">Sierra Leone vs Sri Lanka: School age population, pre-primary education, both sexes</a> — Statizoid

About this data

Indicator: School age population, pre-primary education, both sexes (number)
Unit: number
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 251 places, 12,152 data points, 1970–2020
Last refreshed: 04 September 2026

Population of the age-group theoretically corresponding to pre-primary education as indicated by theoretical entrance age and duration.