What is the highest urban area long term, per square kilometre recorded in Sierra Leone?

The highest recorded value was 0.0085 units per square kilometre in 2024.

What is the lowest urban area long term, per square kilometre recorded in Sierra Leone?

The lowest recorded value was 0.0009 units per square kilometre in 1961.

How does Sierra Leone rank for urban area long term, per square kilometre?

Sierra Leone ranks 99th out of 189 countries with data for 2024.

Is urban area long term, per square kilometre rising or falling in Sierra Leone?

Over the last ten years it is up 66.2%. The long-run trend across the full record is volatile.

Where does this Sierra Leone data come from?

The figures come from Statizoid (derived), published as part of Urban area long term, per square kilometre. Statizoid updates them automatically from the source API.

Urban area long term, per square kilometre in Sierra Leone

Name: Urban area long term, per square kilometre in Sierra Leone
Creator: Statizoid (derived)
License: Derived by Statizoid from the sources named on the page

Sierra Leone: Urban area long term, per square kilometre was 0.0085 units per square kilometre in 2024. ◆ Volatile

Latest (2024)

0.0085 units per square kilometre

Change on year

up 3.2%

World rank

99th

of 189 countries

All-time high

0.0085 units per square kilometre

in 2024

All-time low

0.0009 units per square kilometre

in 1961

Years of data

1961–2024

Urban area long term, per square kilometre in Sierra Leone, 1961–2024

Source: Statizoid (derived). Measured in units per square kilometre.

Analysis

The most recent figure for urban area long term, per square kilometre in Sierra Leone is 0.0085 units per square kilometre, measured in 2024. That is the highest value across all 64 years on record.

That represents a change of up 3.2% on the previous year and up 66.2% over ten years.

Over the whole period, urban area long term, per square kilometre in Sierra Leone peaked at 0.0085 units per square kilometre in 2024 and was at its lowest, 0.0009 units per square kilometre, in 1961.

That places Sierra Leone 99th out of 189 countries with data for 2024, putting it in the middle of the range.

The series is highly variable year to year, so single readings are best treated with caution.

Urban area long term, per square kilometre in Sierra Leone, year by year

Annual values for Urban area long term, per square kilometre in Sierra Leone, 1961 to 2024.
Year	units per square kilometre	Change
1961	0.0009 units per square kilometre	—
1962	0.0009 units per square kilometre	+2.7%
1963	0.0009 units per square kilometre	+2.8%
1964	0.001 units per square kilometre	+2.9%
1965	0.001 units per square kilometre	+3.1%
1966	0.001 units per square kilometre	+3.3%
1967	0.0011 units per square kilometre	+3.4%
1968	0.0011 units per square kilometre	+3.6%
1969	0.0011 units per square kilometre	+3.8%
1970	0.0012 units per square kilometre	+3.9%
1971	0.0012 units per square kilometre	+5.0%
1972	0.0013 units per square kilometre	+5.3%
1973	0.0014 units per square kilometre	+5.6%
1974	0.0015 units per square kilometre	+5.9%
1975	0.0015 units per square kilometre	+5.5%
1976	0.0016 units per square kilometre	+4.0%
1977	0.0017 units per square kilometre	+4.1%
1978	0.0017 units per square kilometre	+4.3%
1979	0.0018 units per square kilometre	+4.4%
1980	0.0019 units per square kilometre	+4.5%
1981	0.002 units per square kilometre	+4.0%
1982	0.0021 units per square kilometre	+4.0%
1983	0.0021 units per square kilometre	+4.1%
1984	0.0022 units per square kilometre	+4.5%
1985	0.0023 units per square kilometre	+5.0%
1986	0.0025 units per square kilometre	+4.8%
1987	0.0026 units per square kilometre	+4.9%
1988	0.0027 units per square kilometre	+4.6%
1989	0.0028 units per square kilometre	+3.4%
1990	0.0028 units per square kilometre	+1.7%
1991	0.0029 units per square kilometre	+2.6%
1992	0.0029 units per square kilometre	+1.1%
1993	0.003 units per square kilometre	+0.3%
1994	0.003 units per square kilometre	+0.3%
1995	0.003 units per square kilometre	+1.1%
1996	0.003 units per square kilometre	+0.3%
1997	0.003 units per square kilometre	+1.2%
1998	0.0031 units per square kilometre	+2.4%
1999	0.0032 units per square kilometre	+3.9%
2000	0.0034 units per square kilometre	+5.7%
2001	0.0036 units per square kilometre	+5.1%
2002	0.0038 units per square kilometre	+5.9%
2003	0.004 units per square kilometre	+6.2%
2004	0.0043 units per square kilometre	+6.0%
2005	0.0045 units per square kilometre	+5.4%
2006	0.0047 units per square kilometre	+4.7%
2007	0.0049 units per square kilometre	+4.2%
2008	0.0051 units per square kilometre	+3.8%
2009	0.0053 units per square kilometre	+3.7%
2010	0.005 units per square kilometre	-5.8%
2011	0.0052 units per square kilometre	+4.8%
2012	0.0055 units per square kilometre	+4.7%
2013	0.0049 units per square kilometre	-10.5%
2014	0.0051 units per square kilometre	+4.5%
2015	0.0053 units per square kilometre	+4.4%
2016	0.0056 units per square kilometre	+4.3%
2017	0.0058 units per square kilometre	+4.2%
2018	0.006 units per square kilometre	+4.2%
2019	0.0063 units per square kilometre	+4.1%
2020	0.0065 units per square kilometre	+4.0%
2021	0.0077 units per square kilometre	+18.0%
2022	0.008 units per square kilometre	+3.3%
2023	0.0082 units per square kilometre	+3.3%
2024	0.0085 units per square kilometre	+3.2%

Sierra Leone compared with similar countries

Sierra Leone's 0.0085 units per square kilometre is above the median for low income countries, which is 0.0039 units per square kilometre, 2.2× the median. (24 countries reporting)
Sierra Leone's 0.0085 units per square kilometre is above the median for Sub-Saharan Africa, which is 0.0033 units per square kilometre, 2.5× the median. (46 countries reporting)

Averages by decade

Decade	Average	Lowest	Highest	Years
1960s	0.001 units per square kilometre	0.0009 units per square kilometre	0.0011 units per square kilometre	9
1970s	0.0015 units per square kilometre	0.0012 units per square kilometre	0.0018 units per square kilometre	10
1980s	0.0023 units per square kilometre	0.0019 units per square kilometre	0.0028 units per square kilometre	10
1990s	0.003 units per square kilometre	0.0028 units per square kilometre	0.0032 units per square kilometre	10
2000s	0.0044 units per square kilometre	0.0034 units per square kilometre	0.0053 units per square kilometre	10
2010s	0.0055 units per square kilometre	0.0049 units per square kilometre	0.0063 units per square kilometre	10
2020s	0.0078 units per square kilometre	0.0065 units per square kilometre	0.0085 units per square kilometre	5

Countries ranked near Sierra Leone

96 Eswatini 0.0086 units per square kilometre compare
97 Estonia 0.0085 units per square kilometre compare
98 Syria 0.0085 units per square kilometre compare
100 Fiji 0.0084 units per square kilometre compare
101 Guinea-Bissau 0.0083 units per square kilometre compare
102 North Korea 0.0078 units per square kilometre compare

See the full ranking of 189 places →

More reference data data for Sierra Leone

Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0238 (2050)
Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.4498 (2050)
Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.5935 (2050)
Emission Totals - Indirect emissions (N2O) - Crop Residues 0.12 (2050)
Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.5935 (2050)
Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0797 (2050)
Emission Totals - Emissions (N2O) - Manure Management 0.044 (2050)
Emission Totals - Emissions (N2O) - Manure left on Pasture 1.91 (2050)
Emission Totals - Emissions (N2O) - IPCC Agriculture 2.72 (2050)
Emission Totals - Emissions (N2O) - Crop Residues 0.6534 (2050)

All data for Sierra Leone →

Frequently asked questions

What is urban area long term, per square kilometre in Sierra Leone?: Urban area long term, per square kilometre in Sierra Leone was 0.0085 units per square kilometre in 2024, according to Statizoid (derived).
What is the highest urban area long term, per square kilometre recorded in Sierra Leone?: The highest recorded value was 0.0085 units per square kilometre in 2024.
What is the lowest urban area long term, per square kilometre recorded in Sierra Leone?: The lowest recorded value was 0.0009 units per square kilometre in 1961.
How does Sierra Leone rank for urban area long term, per square kilometre?: Sierra Leone ranks 99th out of 189 countries with data for 2024.
Is urban area long term, per square kilometre rising or falling in Sierra Leone?: Over the last ten years it is up 66.2%. The long-run trend across the full record is volatile.
Where does this Sierra Leone data come from?: The figures come from Statizoid (derived), published as part of Urban area long term, per square kilometre. Statizoid updates them automatically from the source API.

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Urban area long term, per square kilometre in Sierra Leone. Statizoid, drawing on Statizoid (derived). Retrieved 15 November 2026, from https://reference.statizoid.com/stat/urban-area-long-term-per-square-kilometre/sierra-leone/

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<a href="https://reference.statizoid.com/stat/urban-area-long-term-per-square-kilometre/sierra-leone/">Urban area long term, per square kilometre in Sierra Leone</a> — Statizoid

How this figure is calculated

Urban area long term divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.

Urban area long term ÷ Land area (sq. km)

Computed from

Urban area long term Our World in Data
Land area FAOSTAT, Food and Agriculture Organization of the United Nations (FAO)

Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.

About this data

Indicator: Urban area long term, per square kilometre
Unit: units per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 189 places, 11,249 data points, 1961–2024
Last refreshed: 27 October 2026

Urban area long term divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.