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

12 years are reported by both, from 1974 to 2019.

Where does this data come from?

UNESCO Institute for Statistics, published as Repeaters in Grade 3 of lower secondary general education, female (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Oman vs Sierra Leone: Repeaters in Grade 3 of lower secondary general education, female

Oman

568 number

in 2019

Sierra Leone

510 number

in 2019

Oman rank

89th

Sierra Leone rank

92nd

Repeaters in Grade 3 of lower secondary general education, female over time

Oman
Sierra Leone

How they compare

Oman currently reports 568 number against 510 number in Sierra Leone, a difference of 58 number.

That makes Oman's figure about 1.1 times Sierra Leone's.

The two have swapped places 1 time across 12 shared years of data; in 1974 it was Sierra Leone ahead.

Oman ranks 89th and Sierra Leone ranks 92nd of 170 countries.

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

Head to head by decade

Decade	Oman	Sierra Leone	Difference	Ahead
1970s	11.33 number	586.67 number	575.33 number	Sierra Leone
2000s	674 number	2,484 number	1,810 number	Sierra Leone
2010s	621.88 number	2,024 number	1,402 number	Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher repeaters in grade 3 of lower secondary general education, female, Oman or Sierra Leone?: Oman, at 568 number against 510 number in Sierra Leone as of 2019.
What is the difference in repeaters in grade 3 of lower secondary general education, female between Oman and Sierra Leone?: 58 number, with Oman ahead.
How many years of comparable data are there for Oman and Sierra Leone?: 12 years are reported by both, from 1974 to 2019.
How do Oman and Sierra Leone rank globally for repeaters in grade 3 of lower secondary general education, female?: Oman ranks 89th and Sierra Leone ranks 92nd of 170 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Repeaters in Grade 3 of lower secondary general education, female (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Oman vs Sierra Leone: Repeaters in Grade 3 of lower secondary general education, female. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 04 September 2026, from https://education.statizoid.com/compare/repeaters-in-grade-3-of-lower-secondary-general-education-female-number/oman/sierra-leone/

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About this data

Indicator: Repeaters in Grade 3 of lower secondary general education, female (number)
Unit: number
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 170 places, 3,258 data points, 1970–2020
Last refreshed: 04 September 2026

Number of pupils in the specified grade who are enrolled in the same grade for a second (or further) year.