How does Sierra Leone rank for population in urban agglomerations of more than 1 million, per unit?

Sierra Leone ranks 8th out of 120 countries with data for 2025.

Is population in urban agglomerations of more than 1 million, per unit rising or falling in Sierra Leone?

Over the last ten years it is up 21.0%. The long-run trend across the full record is volatile.

Population in urban agglomerations of more than 1 million, per unit in Sierra Leone

Name: Population in urban agglomerations of more than 1 million, per unit in Sierra Leone
Creator: Statizoid (derived)
License: Derived by Statizoid from the sources named on the page

Sierra Leone: Population in urban agglomerations of more than 1 million, per unit was 0.0002 units per US$ of GDP in 2025. ◆ Volatile

Latest (2025)

0.0002 units per US$ of GDP

Change on year

down 3.8%

World rank

8th

of 120 countries

All-time high

0.0011 units per US$ of GDP

in 2000

All-time low

0.0001 units per US$ of GDP

in 2013

Years of data

1960–2025

Population in urban agglomerations of more than 1 million, per unit in Sierra Leone, 1960–2025

Source: Statizoid (derived). Measured in units per US$ of GDP.

Analysis

The most recent figure for population in urban agglomerations of more than 1 million, per unit in Sierra Leone is 0.0002 units per US$ of GDP, measured in 2025.

The figure is down 3.8% on the previous year and up 21.0% over ten years.

Over the whole period, population in urban agglomerations of more than 1 million, per unit in Sierra Leone peaked at 0.0011 units per US$ of GDP in 2000 and was at its lowest, 0.0001 units per US$ of GDP, in 2013.

Sierra Leone ranks 8th of 120 countries on this measure, in the top 10%.

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

Population in urban agglomerations of more than 1 million, per unit in Sierra Leone, year by year

Annual values for Population in urban agglomerations of more than 1 million, per unit of GDP in Sierra Leone, 1960 to 2025.
Year	units per US$ of GDP	Change
1960	0.0004 units per US$ of GDP	—
1961	0.0004 units per US$ of GDP	+0.8%
1962	0.0004 units per US$ of GDP	-1.8%
1963	0.0004 units per US$ of GDP	+1.9%
1964	0.0004 units per US$ of GDP	+0.1%
1965	0.0004 units per US$ of GDP	+10.5%
1966	0.0004 units per US$ of GDP	+2.2%
1967	0.0005 units per US$ of GDP	+15.0%
1968	0.0005 units per US$ of GDP	+13.0%
1969	0.0005 units per US$ of GDP	-13.8%
1970	0.0005 units per US$ of GDP	+0.5%
1971	0.0005 units per US$ of GDP	+10.6%
1972	0.0005 units per US$ of GDP	-3.7%
1973	0.0004 units per US$ of GDP	-13.6%
1974	0.0004 units per US$ of GDP	-5.3%
1975	0.0004 units per US$ of GDP	+1.0%
1976	0.0005 units per US$ of GDP	+20.0%
1977	0.0005 units per US$ of GDP	-9.6%
1978	0.0003 units per US$ of GDP	-24.3%
1979	0.0003 units per US$ of GDP	-9.0%
1980	0.0003 units per US$ of GDP	+5.9%
1981	0.0003 units per US$ of GDP	+3.7%
1982	0.0003 units per US$ of GDP	-9.6%
1983	0.0004 units per US$ of GDP	+36.8%
1984	0.0004 units per US$ of GDP	-3.8%
1985	0.0005 units per US$ of GDP	+33.3%
1986	0.001 units per US$ of GDP	+81.3%
1987	0.0008 units per US$ of GDP	-23.8%
1988	0.0005 units per US$ of GDP	-35.8%
1989	0.0006 units per US$ of GDP	+16.0%
1990	0.0008 units per US$ of GDP	+47.3%
1991	0.0007 units per US$ of GDP	-14.6%
1992	0.0008 units per US$ of GDP	+17.7%
1993	0.0008 units per US$ of GDP	-9.3%
1994	0.0006 units per US$ of GDP	-13.5%
1995	0.0007 units per US$ of GDP	+7.4%
1996	0.0007 units per US$ of GDP	-5.1%
1997	0.0008 units per US$ of GDP	+13.6%
1998	0.001 units per US$ of GDP	+29.7%
1999	0.001 units per US$ of GDP	+3.0%
2000	0.0011 units per US$ of GDP	+8.0%
2001	0.0004 units per US$ of GDP	-61.2%
2002	0.0004 units per US$ of GDP	-10.8%
2003	0.0003 units per US$ of GDP	-7.4%
2004	0.0003 units per US$ of GDP	-1.8%
2005	0.0003 units per US$ of GDP	-9.7%
2006	0.0002 units per US$ of GDP	-19.8%
2007	0.0002 units per US$ of GDP	-7.6%
2008	0.0002 units per US$ of GDP	-10.1%
2009	0.0002 units per US$ of GDP	+8.2%
2010	0.0002 units per US$ of GDP	-4.6%
2011	0.0002 units per US$ of GDP	-9.8%
2012	0.0002 units per US$ of GDP	-18.6%
2013	0.0001 units per US$ of GDP	-15.8%
2014	0.0001 units per US$ of GDP	+0.4%
2015	0.0002 units per US$ of GDP	+16.5%
2016	0.0002 units per US$ of GDP	+14.8%
2017	0.0002 units per US$ of GDP	+8.9%
2018	0.0002 units per US$ of GDP	-7.4%
2019	0.0002 units per US$ of GDP	+0.8%
2020	0.0002 units per US$ of GDP	+0.3%
2021	0.0002 units per US$ of GDP	-4.0%
2022	0.0002 units per US$ of GDP	+3.6%
2023	0.0002 units per US$ of GDP	+14.2%
2024	0.0002 units per US$ of GDP	-5.3%
2025	0.0002 units per US$ of GDP	-3.8%

Averages by decade

Decade	Average	Lowest	Highest	Years
1960s	0.0004 units per US$ of GDP	0.0004 units per US$ of GDP	0.0005 units per US$ of GDP	10
1970s	0.0004 units per US$ of GDP	0.0003 units per US$ of GDP	0.0005 units per US$ of GDP	10
1980s	0.0005 units per US$ of GDP	0.0003 units per US$ of GDP	0.001 units per US$ of GDP	10
1990s	0.0008 units per US$ of GDP	0.0006 units per US$ of GDP	0.001 units per US$ of GDP	10
2000s	0.0004 units per US$ of GDP	0.0002 units per US$ of GDP	0.0011 units per US$ of GDP	10
2010s	0.0002 units per US$ of GDP	0.0001 units per US$ of GDP	0.0002 units per US$ of GDP	10
2020s	0.0002 units per US$ of GDP	0.0002 units per US$ of GDP	0.0002 units per US$ of GDP	6

Countries ranked near Sierra Leone

5 Syrian Arab Republic 0.0003 units per US$ of GDP compare
6 Somalia 0.0002 units per US$ of GDP compare
7 Madagascar 0.0002 units per US$ of GDP compare
9 Togo 0.0002 units per US$ of GDP compare
10 Cameroon 0.0002 units per US$ of GDP compare
11 Mozambique 0.0001 units per US$ of GDP compare

See the full ranking of 120 places →

More urban development data for Sierra Leone

Population in the largest city 34.3% (2025)
Population density 117.21 people per sq. km of land area (2023)
PM2.5 air pollution, mean annual exposure 22.46 micrograms per cubic meter (2023)
Population in urban agglomerations of more than 1 million 1.39 million (2025)
Population in urban agglomerations of more than 1 million, per capita 0.1573 units per person (2025)
Population in urban agglomerations of more than 1 million, annual 2.95 % change on previous year (2025)
Population in urban agglomerations of more than 1 million, per square 18.14 units per square kilometre (2023)
Population in largest city 1.39 million (2025)
Africa's Development Dynamics (AfDD) Table 23 - Ecological 25.86 Hectares (2020)
PM2.5 air pollution, population exposed to levels exceeding WHO 100.0% (2017)

All data for Sierra Leone →

Frequently asked questions

What is population in urban agglomerations of more than 1 million, per unit in Sierra Leone?: Population in urban agglomerations of more than 1 million, per unit in Sierra Leone was 0.0002 units per US$ of GDP in 2025, according to Statizoid (derived).
What is the highest population in urban agglomerations of more than 1 million, per unit recorded in Sierra Leone?: The highest recorded value was 0.0011 units per US$ of GDP in 2000.
What is the lowest population in urban agglomerations of more than 1 million, per unit recorded in Sierra Leone?: The lowest recorded value was 0.0001 units per US$ of GDP in 2013.
How does Sierra Leone rank for population in urban agglomerations of more than 1 million, per unit?: Sierra Leone ranks 8th out of 120 countries with data for 2025.
Is population in urban agglomerations of more than 1 million, per unit rising or falling in Sierra Leone?: Over the last ten years it is up 21.0%. 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 Population in urban agglomerations of more than 1 million, per unit of GDP. Statizoid updates them automatically from the source API.

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Population in urban agglomerations of more than 1 million, per unit in Sierra Leone. Statizoid, drawing on Statizoid (derived). Retrieved 13 September 2026, from https://urban.statizoid.com/stat/population-in-urban-agglomerations-of-more-than-1-million-per-unit-of-gdp/sierra-leone/

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<a href="https://urban.statizoid.com/stat/population-in-urban-agglomerations-of-more-than-1-million-per-unit-of-gdp/sierra-leone/">Population in urban agglomerations of more than 1 million, per unit in Sierra Leone</a> — Statizoid

How this figure is calculated

Population in urban agglomerations of more than 1 million divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.

Population in urban agglomerations of more than 1 million ÷ GDP (current US$)

Computed from

Population in urban agglomerations of more than 1 million World Urbanization Prospects 2018, United Nations (UN)
GDP Country official statistics, National Statistical Organizations and/or Central Banks

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: Population in urban agglomerations of more than 1 million, per unit of GDP
Unit: units per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 120 places, 7,236 data points, 1960–2025
Last refreshed: 18 August 2026

Population in urban agglomerations of more than 1 million divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.