Population in urban agglomerations of more than 1 million, annual in Sierra Leone
Sierra Leone: Population in urban agglomerations of more than 1 million, annual was 2.95 % change on previous year in 2025. ▼ Falling
Latest (2025)
2.95 % change on previous year
Change on year
up 0.7%
World rank
33rd
of 121 countries
All-time high
6.82 % change on previous year
in 1972
All-time low
2.58 % change on previous year
in 1993
Years of data
65
1961–2025
Population in urban agglomerations of more than 1 million, annual in Sierra Leone, 1961–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
In 2025, population in urban agglomerations of more than 1 million, annual in Sierra Leone stood at 2.95 % change on previous year.
That represents a change of up 0.7% on the previous year and up 2.6% over ten years.
Over the whole period, population in urban agglomerations of more than 1 million, annual in Sierra Leone peaked at 6.82 % change on previous year in 1972 and was at its lowest, 2.58 % change on previous year, in 1993.
That places Sierra Leone 33rd out of 121 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently falling across the 65 years of available data.
Population in urban agglomerations of more than 1 million, annual in Sierra Leone, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1961 | 2.65 % change on previous year | — |
| 1962 | 2.66 % change on previous year | +0.1% |
| 1963 | 3.68 % change on previous year | +38.4% |
| 1964 | 6.82 % change on previous year | +85.4% |
| 1965 | 6.8 % change on previous year | -0.3% |
| 1966 | 6.81 % change on previous year | +0.1% |
| 1967 | 6.81 % change on previous year | +0.0% |
| 1968 | 6.82 % change on previous year | +0.1% |
| 1969 | 6.8 % change on previous year | -0.3% |
| 1970 | 6.81 % change on previous year | +0.1% |
| 1971 | 6.81 % change on previous year | -0.0% |
| 1972 | 6.82 % change on previous year | +0.2% |
| 1973 | 6.8 % change on previous year | -0.3% |
| 1974 | 6.81 % change on previous year | +0.1% |
| 1975 | 5.83 % change on previous year | -14.3% |
| 1976 | 5.08 % change on previous year | -12.8% |
| 1977 | 5.07 % change on previous year | -0.3% |
| 1978 | 5.08 % change on previous year | +0.1% |
| 1979 | 5.08 % change on previous year | -0.0% |
| 1980 | 5.08 % change on previous year | +0.1% |
| 1981 | 5.07 % change on previous year | -0.3% |
| 1982 | 5.08 % change on previous year | +0.1% |
| 1983 | 5.08 % change on previous year | -0.0% |
| 1984 | 5.08 % change on previous year | +0.1% |
| 1985 | 5.07 % change on previous year | -0.3% |
| 1986 | 3.71 % change on previous year | -26.7% |
| 1987 | 2.58 % change on previous year | -30.6% |
| 1988 | 2.58 % change on previous year | +0.1% |
| 1989 | 2.58 % change on previous year | -0.3% |
| 1990 | 2.58 % change on previous year | +0.1% |
| 1991 | 2.58 % change on previous year | +0.0% |
| 1992 | 2.58 % change on previous year | +0.1% |
| 1993 | 2.58 % change on previous year | -0.3% |
| 1994 | 2.58 % change on previous year | +0.1% |
| 1995 | 2.58 % change on previous year | -0.0% |
| 1996 | 2.58 % change on previous year | +0.1% |
| 1997 | 2.58 % change on previous year | -0.3% |
| 1998 | 2.58 % change on previous year | +0.1% |
| 1999 | 2.58 % change on previous year | +0.0% |
| 2000 | 2.58 % change on previous year | +0.1% |
| 2001 | 2.58 % change on previous year | -0.3% |
| 2002 | 2.58 % change on previous year | +0.1% |
| 2003 | 2.58 % change on previous year | -0.0% |
| 2004 | 2.58 % change on previous year | +0.1% |
| 2005 | 2.75 % change on previous year | +6.3% |
| 2006 | 2.88 % change on previous year | +4.8% |
| 2007 | 2.88 % change on previous year | -0.0% |
| 2008 | 2.88 % change on previous year | +0.1% |
| 2009 | 2.87 % change on previous year | -0.3% |
| 2010 | 2.88 % change on previous year | +0.1% |
| 2011 | 2.88 % change on previous year | +0.0% |
| 2012 | 2.88 % change on previous year | +0.1% |
| 2013 | 2.87 % change on previous year | -0.3% |
| 2014 | 2.88 % change on previous year | +0.1% |
| 2015 | 2.88 % change on previous year | +0.0% |
| 2016 | 2.88 % change on previous year | +0.1% |
| 2017 | 2.88 % change on previous year | +0.0% |
| 2018 | 2.88 % change on previous year | -0.0% |
| 2019 | 2.86 % change on previous year | -0.8% |
| 2020 | 2.87 % change on previous year | +0.2% |
| 2021 | 2.87 % change on previous year | +0.2% |
| 2022 | 2.89 % change on previous year | +0.6% |
| 2023 | 2.91 % change on previous year | +0.8% |
| 2024 | 2.93 % change on previous year | +0.7% |
| 2025 | 2.95 % change on previous year | +0.7% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 5.54 % change on previous year | 2.65 % change on previous year | 6.82 % change on previous year | 9 |
| 1970s | 6.02 % change on previous year | 5.07 % change on previous year | 6.82 % change on previous year | 10 |
| 1980s | 4.19 % change on previous year | 2.58 % change on previous year | 5.08 % change on previous year | 10 |
| 1990s | 2.58 % change on previous year | 2.58 % change on previous year | 2.58 % change on previous year | 10 |
| 2000s | 2.72 % change on previous year | 2.58 % change on previous year | 2.88 % change on previous year | 10 |
| 2010s | 2.88 % change on previous year | 2.86 % change on previous year | 2.88 % change on previous year | 10 |
| 2020s | 2.9 % change on previous year | 2.87 % change on previous year | 2.95 % change on previous year | 6 |
Countries ranked near Sierra Leone
- 30 Afghanistan 3.14 % change on previous year compare
- 31 Cambodia 3.11 % change on previous year compare
- 32 Ghana 3.02 % change on previous year compare
- 34 Bangladesh 2.91 % change on previous year compare
- 35 Viet Nam 2.85 % change on previous year compare
- 36 Iraq 2.81 % change on previous year compare
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, per unit 0.0002 units per US$ of GDP (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)
Frequently asked questions
- What is population in urban agglomerations of more than 1 million, annual in Sierra Leone?
- Population in urban agglomerations of more than 1 million, annual in Sierra Leone was 2.95 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest population in urban agglomerations of more than 1 million, annual recorded in Sierra Leone?
- The highest recorded value was 6.82 % change on previous year in 1972.
- What is the lowest population in urban agglomerations of more than 1 million, annual recorded in Sierra Leone?
- The lowest recorded value was 2.58 % change on previous year in 1993.
- How does Sierra Leone rank for population in urban agglomerations of more than 1 million, annual?
- Sierra Leone ranks 33rd out of 121 countries with data for 2025.
- Is population in urban agglomerations of more than 1 million, annual rising or falling in Sierra Leone?
- Over the last ten years it is up 2.6%. The long-run trend across the full record is falling.
- 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, annual growth rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 65 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
The year-on-year percentage change in Population in urban agglomerations of more than 1 million. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.
Computed from
- Population in urban agglomerations of more than 1 million World Urbanization Prospects 2018, United Nations (UN)
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
The year-on-year percentage change in Population in urban agglomerations of more than 1 million. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.