How many years of comparable data are there for Bulgaria and Russian Federation?

7 years are reported by both, from 1999 to 2014.

Where does this data come from?

UNESCO Institute for Statistics, published as Repeaters in grade unknown of primary education, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Russian Federation: Repeaters in grade unknown of primary education, both sexes

Bulgaria

0 number

in 2018

Russian Federation

0 number

in 2014

Bulgaria rank

13th

Russian Federation rank

13th

Repeaters in grade unknown of primary education, both sexes over time

Bulgaria
Russian Federation

How they compare

Bulgaria currently reports 0 number against 0 number in Russian Federation, a difference of 0 number.

Across all 7 years both countries report, Russian Federation has been ahead every year.

Bulgaria ranks 13th and Russian Federation ranks 13th of 120 countries.

Russian Federation has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Bulgaria	Russian Federation	Difference	Ahead
1990s	7 number	8,404 number	8,397 number	Russian Federation
2000s	11.5 number	7,123 number	7,112 number	Russian Federation
2010s	0 number	0 number	0 number	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher repeaters in grade unknown of primary education, both sexes, Bulgaria or Russian Federation?: Bulgaria, at 0 number against 0 number in Russian Federation as of 2018.
What is the difference in repeaters in grade unknown of primary education, both sexes between Bulgaria and Russian Federation?: 0 number, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Russian Federation?: 7 years are reported by both, from 1999 to 2014.
How do Bulgaria and Russian Federation rank globally for repeaters in grade unknown of primary education, both sexes?: Bulgaria ranks 13th and Russian Federation ranks 13th of 120 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Repeaters in grade unknown of primary education, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Russian Federation: Repeaters in grade unknown of primary education, both sexes. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 03 September 2026, from https://reference.statizoid.com/compare/repeaters-in-grade-unknown-of-primary-education-both-sexes-number/bulgaria/russian-federation/

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<a href="https://reference.statizoid.com/compare/repeaters-in-grade-unknown-of-primary-education-both-sexes-number/bulgaria/russian-federation/">Bulgaria vs Russian Federation: Repeaters in grade unknown of primary education, both sexes</a> — Statizoid

About this data

Indicator: Repeaters in grade unknown of primary education, both sexes (number)
Unit: number
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 120 places, 1,121 data points, 1989–2020
Last refreshed: 21 August 2026

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