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

21 years are reported by both, from 2000 to 2020.

Where does this data come from?

Statizoid (derived), published as Start of the academic school year (pre-primary to post-secondary non tertiary education), annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Sierra Leone vs Sudan: Start of the academic school year (pre-primary to post-secondary non)

Sierra Leone

0.0496 % change on previous year

in 2020

Sudan

0.0496 % change on previous year

in 2020

Sierra Leone rank

7th

Sudan rank

7th

Start of the academic school year (pre-primary to post-secondary non) over time

Sierra Leone
Sudan

How they compare

Sierra Leone currently reports 0.0496 % change on previous year against 0.0496 % change on previous year in Sudan, a difference of 0 % change on previous year.

The two have swapped places 2 times across 21 shared years of data; in 2000 it was Sudan ahead.

Sierra Leone ranks 7th and Sudan ranks 7th of 209 countries.

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

Head to head by decade

Decade	Sierra Leone	Sudan	Difference	Ahead
2000s	0.0499 % change on previous year	0.0499 % change on previous year	0 % change on previous year	—
2010s	0.0497 % change on previous year	0.0497 % change on previous year	0 % change on previous year	Sierra Leone
2020s	0.0496 % change on previous year	0.0496 % change on previous year	0 % change on previous year	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher start of the academic school year (pre-primary to post-secondary non), Sierra Leone or Sudan?: Sierra Leone, at 0.0496 % change on previous year against 0.0496 % change on previous year in Sudan as of 2020.
What is the difference in start of the academic school year (pre-primary to post-secondary non) between Sierra Leone and Sudan?: 0 % change on previous year, with Sierra Leone ahead.
How many years of comparable data are there for Sierra Leone and Sudan?: 21 years are reported by both, from 2000 to 2020.
How do Sierra Leone and Sudan rank globally for start of the academic school year (pre-primary to post-secondary non)?: Sierra Leone ranks 7th and Sudan ranks 7th of 209 countries.
Where does this data come from?: Statizoid (derived), published as Start of the academic school year (pre-primary to post-secondary non tertiary education), annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sierra Leone vs Sudan: Start of the academic school year (pre-primary to post-secondary non). Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://reference.statizoid.com/compare/start-of-the-academic-school-year-pre-primary-to-post-secondary-non-tertiary-education-4/sierra-leone/sudan/

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<a href="https://reference.statizoid.com/compare/start-of-the-academic-school-year-pre-primary-to-post-secondary-non-tertiary-education-4/sierra-leone/sudan/">Sierra Leone vs Sudan: Start of the academic school year (pre-primary to post-secondary non)</a> — Statizoid

About this data

Indicator: Start of the academic school year (pre-primary to post-secondary non tertiary education), annual growth rate
Unit: % change on previous year
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 209 places, 10,202 data points, 1971–2020
Last refreshed: 20 September 2026

The year-on-year percentage change in Start of the academic school year (pre-primary to post-secondary non tertiary education). Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.