How many years of comparable data are there for Chad and Sierra Leone?

21 years are reported by both, from 2000 to 2020.

Where does this data come from?

Organisation for Economic Co-operation and Development, published as Africa's Development Dynamics (AfDD) Table 23 - Ecological sustainability — Artificial surfaces (including urban and associated areas). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Chad vs Sierra Leone: Africa's Development Dynamics (AfDD) Table 23 - Ecological

Chad

26.34 Hectares

in 2020

Sierra Leone

25.86 Hectares

in 2020

Chad rank

112th

Sierra Leone rank

113th

Africa's Development Dynamics (AfDD) Table 23 - Ecological over time

Chad
Sierra Leone

How they compare

Chad currently reports 26.34 Hectares against 25.86 Hectares in Sierra Leone, a difference of 0.48 Hectares.

The two have swapped places 2 times across 21 shared years of data; in 2000 it was Chad ahead.

Chad ranks 112th and Sierra Leone ranks 113th of 170 countries.

Chad has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Chad	Sierra Leone	Difference	Ahead
2000s	17.09 Hectares	14.21 Hectares	2.88 Hectares	Chad
2010s	20.63 Hectares	19.71 Hectares	0.9231 Hectares	Chad
2020s	26.34 Hectares	25.86 Hectares	0.4825 Hectares	Chad

Averages of every year both report within each decade.

Frequently asked questions

Which has higher africa's development dynamics (afdd) table 23 - ecological, Chad or Sierra Leone?: Chad, at 26.34 Hectares against 25.86 Hectares in Sierra Leone as of 2020.
What is the difference in africa's development dynamics (afdd) table 23 - ecological between Chad and Sierra Leone?: 0.48 Hectares, with Chad ahead.
How many years of comparable data are there for Chad and Sierra Leone?: 21 years are reported by both, from 2000 to 2020.
How do Chad and Sierra Leone rank globally for africa's development dynamics (afdd) table 23 - ecological?: Chad ranks 112th and Sierra Leone ranks 113th of 170 countries.
Where does this data come from?: Organisation for Economic Co-operation and Development, published as Africa's Development Dynamics (AfDD) Table 23 - Ecological sustainability — Artificial surfaces (including urban and associated areas). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Chad vs Sierra Leone: Africa's Development Dynamics (AfDD) Table 23 - Ecological. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 22 August 2026, from https://urban.statizoid.com/compare/africa-s-development-dynamics-afdd-table-23-ecological-sustainability-artificial-surfaces/chad/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 OECD Terms and Conditions (attribution required); please keep the attribution.

<a href="https://urban.statizoid.com/compare/africa-s-development-dynamics-afdd-table-23-ecological-sustainability-artificial-surfaces/chad/sierra-leone/">Chad vs Sierra Leone: Africa's Development Dynamics (AfDD) Table 23 - Ecological</a> — Statizoid

About this data

Indicator: Africa's Development Dynamics (AfDD) Table 23 - Ecological sustainability — Artificial surfaces (including urban and associated areas)
Unit: Hectares
Source: Organisation for Economic Co-operation and Development
Licence: OECD Terms and Conditions (attribution required)
Coverage: 245 places, 5,127 data points, 2000–2020
Last refreshed: 18 August 2026

The Statistical Annex to the annual Africa's Development Dynamics (AFDD) report is a collection of development indicators that were gathered and analysed while conducting the research that went into the report. These data are also available online for free viewing or download at https://oe.cd/AFDD-2024, a bilingual website which links to the electronic version of the Africa's Development Dynamics book in both English and French. Table 23 shows indicators of ecological sustainability, in terms of land use. This includes number of hectars of land allocated to different kinds of use, carbon stock in living biomass, and fertiliser use, and wood production.