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

12 years are reported by both, from 2006 to 2017.

Where does this data come from?

UNESCO Institute for Statistics, published as UIS: Mean years of schooling (ISCED 1 or higher), population 25+ years, both sexes. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Singapore: UIS: Mean years of schooling (ISCED 1 or higher), population 25+

Bulgaria

11.36

in 2017

Singapore

11.62

in 2018

Bulgaria rank

40th

Singapore rank

37th

UIS: Mean years of schooling (ISCED 1 or higher), population 25+ over time

Bulgaria
Singapore

How they compare

Singapore currently reports 11.62 against 11.36 in Bulgaria, a difference of 0.26.

The two have swapped places 1 time across 12 shared years of data; in 2006 it was Bulgaria ahead.

Bulgaria ranks 40th and Singapore ranks 37th of 93 countries.

Across the 2 decades both report, Bulgaria averaged higher in 1 and Singapore in 1.

Head to head by decade

Decade	Bulgaria	Singapore	Difference	Ahead
2000s	10.65	10.45	0.199	Bulgaria
2010s	11.11	11.28	0.1732	Singapore

Averages of every year both report within each decade.

Frequently asked questions

Which has higher uis: mean years of schooling (isced 1 or higher), population 25+, Bulgaria or Singapore?: Singapore, at 11.62 against 11.36 in Bulgaria as of 2018.
What is the difference in uis: mean years of schooling (isced 1 or higher), population 25+ between Bulgaria and Singapore?: 0.26, with Singapore ahead.
How many years of comparable data are there for Bulgaria and Singapore?: 12 years are reported by both, from 2006 to 2017.
How do Bulgaria and Singapore rank globally for uis: mean years of schooling (isced 1 or higher), population 25+?: Bulgaria ranks 40th and Singapore ranks 37th of 93 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as UIS: Mean years of schooling (ISCED 1 or higher), population 25+ years, both sexes. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Singapore: UIS: Mean years of schooling (ISCED 1 or higher), population 25+. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 12 September 2026, from https://reference.statizoid.com/compare/uis-mean-years-of-schooling-isced-1-or-higher-population-25-years-both-sexes/bulgaria/singapore/

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About this data

Indicator: UIS: Mean years of schooling (ISCED 1 or higher), population 25+ years, both sexes
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 93 places, 1,032 data points, 1970–2019
Last refreshed: 04 September 2026

Mean years of schooling (MYS) provides the average number of years of education (primary/ISCED 1 or higher) completed by a country’s adult population (25 years and older), excluding years spent repeating grades. For further information and specific calculation methods, visit the UNESCO Institute for Statistics website: http://www.uis.unesco.org/