Chad vs Sierra Leone: Wittgenstein Projection: Percentage of the population age 80+ by

Chad
0.2%
in 2100
Sierra Leone
0.2%
in 2100
Chad rank
36th
Sierra Leone rank
36th

Wittgenstein Projection: Percentage of the population age 80+ by over time

  • Chad
  • Sierra Leone
00.050.10.150.2201020552100

How they compare

Chad currently reports 0.2% against 0.2% in Sierra Leone, a difference of 0.0%.

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

Chad ranks 36th and Sierra Leone ranks 36th 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 0.0% 0.0% 0.0% Sierra Leone
2020s 0.0% 0.0% 0.0% Sierra Leone
2030s 0.0% 0.0% 0.0% Sierra Leone
2040s 0.0% 0.0% 0.0% Sierra Leone
2050s 0.0% 0.1% 0.0% Sierra Leone
2060s 0.1% 0.1% 0.0% Sierra Leone
2070s 0.1% 0.1% 0.0% Sierra Leone
2080s 0.1% 0.1% 0.0% Sierra Leone
2090s 0.2% 0.2% 0.0% Sierra Leone
2100s 0.2% 0.2% 0.0%

Averages of every year both report within each decade.

Frequently asked questions

Which has higher wittgenstein projection: percentage of the population age 80+ by, Chad or Sierra Leone?
Chad, at 0.2% against 0.2% in Sierra Leone as of 2100.
What is the difference in wittgenstein projection: percentage of the population age 80+ by between Chad and Sierra Leone?
0.0%, with Chad 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: percentage of the population age 80+ by?
Chad ranks 36th and Sierra Leone ranks 36th 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: Percentage of the population age 80+ by highest level of educational attainment. Primary. Female. 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: Percentage of the population age 80+ by. Statizoid, drawing on Wittgenstein Centre for Demography and Global Human Capital: http://www.oeaw.ac.at/vid/dataexplorer/. Retrieved 03 September 2026, from https://reference.statizoid.com/compare/wittgenstein-projection-percentage-of-the-population-age-80-by-highest-level-of/chad/sierra-leone/

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About this data

Indicator
Wittgenstein Projection: Percentage of the population age 80+ by highest level of educational attainment. Primary. Female
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

Share of the population of the stated age group that has completed primary education or incomplete lower secondary education as the highest level of educational attainment. 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/