Chad vs Sierra Leone: Wittgenstein Projection: Mean years of schooling. Age 20-39. Total

Chad
11.7
in 2100
Sierra Leone
11.8
in 2100
Chad rank
154th
Sierra Leone rank
151st

Wittgenstein Projection: Mean years of schooling. Age 20-39. Total over time

  • Chad
  • Sierra Leone
24681012201020552100

How they compare

Sierra Leone currently reports 11.8 against 11.7 in Chad, a difference of 0.1.

Across all 19 years both countries report, Sierra Leone has been ahead every year.

Chad ranks 154th and Sierra Leone ranks 151st of 166 countries.

Sierra Leone has averaged higher in every one of the 10 decades both report.

Head to head by decade

Decade Chad Sierra Leone Difference Ahead
2010s 3 4.45 1.45 Sierra Leone
2020s 3.75 5 1.25 Sierra Leone
2030s 4.55 5.9 1.35 Sierra Leone
2040s 5.5 6.95 1.45 Sierra Leone
2050s 6.6 8.05 1.45 Sierra Leone
2060s 7.7 9.05 1.35 Sierra Leone
2070s 8.9 9.9 1 Sierra Leone
2080s 10.05 10.7 0.65 Sierra Leone
2090s 11.05 11.35 0.3 Sierra Leone
2100s 11.7 11.8 0.1 Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher wittgenstein projection: mean years of schooling. age 20-39. total, Chad or Sierra Leone?
Sierra Leone, at 11.8 against 11.7 in Chad as of 2100.
What is the difference in wittgenstein projection: mean years of schooling. age 20-39. total between Chad and Sierra Leone?
0.1, with Sierra Leone ahead.
How many years of comparable data are there for Chad and Sierra Leone?
19 years are reported by both, from 2010 to 2100.
How do Chad and Sierra Leone rank globally for wittgenstein projection: mean years of schooling. age 20-39. total?
Chad ranks 154th and Sierra Leone ranks 151st of 166 countries.
Where does this data come from?
Wittgenstein Centre for Demography and Global Human Capital: http://www.oeaw.ac.at/vid/dataexplorer/, published as Wittgenstein Projection: Mean years of schooling. Age 20-39. Total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Chad vs Sierra Leone: Wittgenstein Projection: Mean years of schooling. Age 20-39. Total. Statizoid, drawing on Wittgenstein Centre for Demography and Global Human Capital: http://www.oeaw.ac.at/vid/dataexplorer/. Retrieved 29 August 2026, from https://reference.statizoid.com/compare/wittgenstein-projection-mean-years-of-schooling-age-20-39-total/chad/sierra-leone/

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About this data

Indicator
Wittgenstein Projection: Mean years of schooling. Age 20-39. Total
Source
Wittgenstein Centre for Demography and Global Human Capital: http://www.oeaw.ac.at/vid/dataexplorer/
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
167 places, 3,173 data points, 2010–2100
Last refreshed

Mean number of years spent in school by age group and gender. Projections are based on collected census and survey data for the base year (around 2010) and the Medium Shared Socioeconomic Pathways (SSP2) projection model. The SSP2 is a middle-of-the-road scenario that combines medium fertility with medium mortality, medium migration, and the Global Education Trend (GET) education scenario. For more information and other projection models, consult the Wittgenstein Centre for Demography and Global Human Capital's website: http://www.oeaw.ac.at/vid/dataexplorer/