Sierra Leone vs Upper middle income: Human capital composite index

Sierra Leone
1.37 standard deviations from the yearly mean
in 2023
Upper middle income
0.4041 standard deviations from the yearly mean
in 2024
Sierra Leone rank
6th
Upper middle income rank
9th

Human capital composite index over time

  • Sierra Leone
  • Upper middle income
-2-10123197019972024

How they compare

Sierra Leone currently reports 1.37 standard deviations from the yearly mean against 0.4041 standard deviations from the yearly mean in Upper middle income, a difference of 0.9659 standard deviations from the yearly mean.

That makes Sierra Leone's figure about 3.4 times Upper middle income's.

The two have swapped places 1 time across 33 shared years of data; in 1971 it was Upper middle income ahead.

Sierra Leone ranks 6th and Upper middle income ranks 9th of 202 countries.

Across the 6 decades both report, Sierra Leone averaged higher in 1 and Upper middle income in 5.

Head to head by decade

Decade Sierra Leone Upper middle income Difference Ahead
1970s -1.18 standard deviations from the yearly mean 0.5158 standard deviations from the yearly mean 1.7 standard deviations from the yearly mean Upper middle income
1980s -1.14 standard deviations from the yearly mean 0.564 standard deviations from the yearly mean 1.71 standard deviations from the yearly mean Upper middle income
1990s -1.48 standard deviations from the yearly mean 0.6064 standard deviations from the yearly mean 2.08 standard deviations from the yearly mean Upper middle income
2000s -1.25 standard deviations from the yearly mean 0.3906 standard deviations from the yearly mean 1.64 standard deviations from the yearly mean Upper middle income
2010s -0.6103 standard deviations from the yearly mean 0.263 standard deviations from the yearly mean 0.8733 standard deviations from the yearly mean Upper middle income
2020s 1.88 standard deviations from the yearly mean 0.231 standard deviations from the yearly mean 1.65 standard deviations from the yearly mean Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher human capital composite index, Sierra Leone or Upper middle income?
Sierra Leone, at 1.37 standard deviations from the yearly mean against 0.4041 standard deviations from the yearly mean in Upper middle income as of 2023.
What is the difference in human capital composite index between Sierra Leone and Upper middle income?
0.9659 standard deviations from the yearly mean, with Sierra Leone ahead.
How many years of comparable data are there for Sierra Leone and Upper middle income?
33 years are reported by both, from 1971 to 2023.
How do Sierra Leone and Upper middle income rank globally for human capital composite index?
Sierra Leone ranks 6th and Upper middle income ranks 9th of 202 countries.
Where does this data come from?
Statizoid (derived), published as Human capital composite index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sierra Leone vs Upper middle income: Human capital composite index. Statizoid, drawing on Statizoid (derived). Retrieved 17 August 2026, from https://education.statizoid.com/compare/human-capital-composite-index/sierra-leone/upper-middle-income/

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About this data

Indicator
Human capital composite index
Unit
standard deviations from the yearly mean
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
247 places, 8,876 data points, 1970–2024
Last refreshed

An equal-weighted index of 4 indicators: Literacy rate, adult total; School enrollment, primary; School enrollment, secondary; Government expenditure on education, total. Each is standardised against that year's spread across all reporting countries before averaging, so a score of 0 is the average country and +1 is one standard deviation above it.