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

Sierra Leone: Wittgenstein Projection: Mean years of schooling. Age 20-39. Total was 11.8 in 2100. ▲ Rising

Latest (2100)
11.8
World rank
151st
of 166 countries
All-time high
11.8
in 2100
All-time low
4.3
in 2010
Years of data
19
2010–2100

Wittgenstein Projection: Mean years of schooling. Age 20-39. Total in Sierra Leone, 2010–2100

02.557.51012.52010205521002010: 4.32015: 4.62020: 4.82025: 5.22030: 5.62035: 6.22040: 6.72045: 7.22050: 7.82055: 8.32060: 8.82065: 9.32070: 9.72075: 10.12080: 10.52085: 10.92090: 11.22095: 11.52100: 11.8

Source: Wittgenstein Centre for Demography and Global Human Capital: http://www.oeaw.ac.at/vid/dataexplorer/.

Analysis

Sierra Leone recorded 11.8 for wittgenstein projection: mean years of schooling. age 20-39. total in 2100. That is the highest value across all 19 years on record.

The figure is up 5.4% over ten years.

Over the whole period, wittgenstein projection: mean years of schooling. age 20-39. total in Sierra Leone peaked at 11.8 in 2100 and was at its lowest, 4.3, in 2010.

Sierra Leone ranks 151st of 166 countries on this measure, in the bottom quarter.

The long-run direction has been consistently rising across the 19 years of available data.

Wittgenstein Projection: Mean years of schooling. Age 20-39. Total in Sierra Leone, year by year

Annual values for Wittgenstein Projection: Mean years of schooling. Age 20-39. Total in Sierra Leone, 2010 to 2100.
Year Value Change
2010 4.3
2015 4.6 +7.0%
2020 4.8 +4.3%
2025 5.2 +8.3%
2030 5.6 +7.7%
2035 6.2 +10.7%
2040 6.7 +8.1%
2045 7.2 +7.5%
2050 7.8 +8.3%
2055 8.3 +6.4%
2060 8.8 +6.0%
2065 9.3 +5.7%
2070 9.7 +4.3%
2075 10.1 +4.1%
2080 10.5 +4.0%
2085 10.9 +3.8%
2090 11.2 +2.8%
2095 11.5 +2.7%
2100 11.8 +2.6%

Averages by decade

DecadeAverage LowestHighest Years
2010s 4.45 4.3 4.6 2
2020s 5 4.8 5.2 2
2030s 5.9 5.6 6.2 2
2040s 6.95 6.7 7.2 2
2050s 8.05 7.8 8.3 2
2060s 9.05 8.8 9.3 2
2070s 9.9 9.7 10.1 2
2080s 10.7 10.5 10.9 2
2090s 11.35 11.2 11.5 2
2100s 11.8 11.8 11.8 1

Countries ranked near Sierra Leone

  1. 150 Armenia 11.9 compare
  2. 151 Cape Verde 11.8 compare
  3. 151 Tanzania, United Republic of 11.8 compare
  4. 154 Chad 11.7 compare

See the full ranking of 167 places →

More reference data data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is wittgenstein projection: mean years of schooling. age 20-39. total in Sierra Leone?
Wittgenstein projection: mean years of schooling. age 20-39. total in Sierra Leone was 11.8 in 2100, according to Wittgenstein Centre for Demography and Global Human Capital: http://www.oeaw.ac.at/vid/dataexplorer/.
What is the highest wittgenstein projection: mean years of schooling. age 20-39. total recorded in Sierra Leone?
The highest recorded value was 11.8 in 2100.
What is the lowest wittgenstein projection: mean years of schooling. age 20-39. total recorded in Sierra Leone?
The lowest recorded value was 4.3 in 2010.
How does Sierra Leone rank for wittgenstein projection: mean years of schooling. age 20-39. total?
Sierra Leone ranks 151st out of 166 countries with data for 2100.
Is wittgenstein projection: mean years of schooling. age 20-39. total rising or falling in Sierra Leone?
Over the last ten years it is up 5.4%. The long-run trend across the full record is rising.
Where does this Sierra Leone data come from?
The figures come from Wittgenstein Centre for Demography and Global Human Capital: http://www.oeaw.ac.at/vid/dataexplorer/, published as part of Wittgenstein Projection: Mean years of schooling. Age 20-39. Total. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 19 observations, free to reuse under CC BY 4.0 (World Bank Open Data).

Share, cite or embed this page

Cite this page

Wittgenstein Projection: Mean years of schooling. Age 20-39. Total in Sierra Leone. Statizoid, drawing on Wittgenstein Centre for Demography and Global Human Capital: http://www.oeaw.ac.at/vid/dataexplorer/. Retrieved 25 August 2026, from https://reference.statizoid.com/stat/wittgenstein-projection-mean-years-of-schooling-age-20-39-total/sierra-leone/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (World Bank Open Data); please keep the attribution.

<a href="https://reference.statizoid.com/stat/wittgenstein-projection-mean-years-of-schooling-age-20-39-total/sierra-leone/">Wittgenstein Projection: Mean years of schooling. Age 20-39. Total in Sierra Leone</a> — Statizoid

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/