Urban agglomerations more than 1 million in Sierra Leone

Sierra Leone: Urban agglomerations more than 1 million was 1.77 million in 2020. ◆ Volatile

Latest (2020)
1.77 million
World rank
94th
of 182 countries
All-time high
1.77 million
in 2020
All-time low
0
in 1950
Years of data
15
1950–2020

Urban agglomerations more than 1 million in Sierra Leone, 1950–2020

0500.0k1.0M1.5M2.0M1950198520201950: 01955: 01960: 01965: 01970: 01975: 01980: 01985: 01990: 01995: 02000: 02005: 02010: 1.1M2015: 1.4M2020: 1.8M

Source: Our World in Data.

Analysis

In 2020, urban agglomerations more than 1 million in Sierra Leone stood at 1.77 million. That is the highest value across all 15 years on record.

Compared with earlier readings it is up 54.2% over ten years.

Over the whole period, urban agglomerations more than 1 million in Sierra Leone peaked at 1.77 million in 2020 and was at its lowest, 0, in 1950.

Sierra Leone ranks 94th of 182 countries on this measure, in the middle of the range.

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

Urban agglomerations more than 1 million in Sierra Leone, year by year

Annual values for Urban agglomerations more than 1 million in Sierra Leone, 1950 to 2020.
Year Value Change
1950 0 —
1955 0 —
1960 0 —
1965 0 —
1970 0 —
1975 0 —
1980 0 —
1985 0 —
1990 0 —
1995 0 —
2000 0 —
2005 0 —
2010 1.15 million —
2015 1.37 million +19.1%
2020 1.77 million +29.4%

Sierra Leone compared with similar countries

  • Sierra Leone's 1.77 million is below the median for low income countries, which is 2.87 million, 62% of the median. (25 countries reporting)
  • Sierra Leone's 1.77 million is below the median for Sub-Saharan Africa, which is 1.88 million, 94% of the median. (47 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1950s 0 0 0 2
1960s 0 0 0 2
1970s 0 0 0 2
1980s 0 0 0 2
1990s 0 0 0 2
2000s 0 0 0 2
2010s 1.26 million 1.15 million 1.37 million 2
2020s 1.77 million 1.77 million 1.77 million 1

Countries ranked near Sierra Leone

  1. 91 Portugal 1.86 million compare
  2. 92 Poland 1.86 million compare
  3. 93 Haiti 1.85 million compare
  4. 95 Liberia 1.77 million compare
  5. 96 Lebanon 1.74 million compare
  6. 97 Chad 1.65 million compare

See the full ranking of 182 places →

More reference data data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is urban agglomerations more than 1 million in Sierra Leone?
Urban agglomerations more than 1 million in Sierra Leone was 1.77 million in 2020, according to Our World in Data.
What is the highest urban agglomerations more than 1 million recorded in Sierra Leone?
The highest recorded value was 1.77 million in 2020.
What is the lowest urban agglomerations more than 1 million recorded in Sierra Leone?
The lowest recorded value was 0 in 1950.
How does Sierra Leone rank for urban agglomerations more than 1 million?
Sierra Leone ranks 94th out of 182 countries with data for 2020.
Is urban agglomerations more than 1 million rising or falling in Sierra Leone?
Over the last ten years it is up 54.2%. The long-run trend across the full record is volatile.
Where does this Sierra Leone data come from?
The figures come from Our World in Data, published as part of Urban agglomerations more than 1 million. Statizoid updates them automatically from the source API.

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CSV · JSON — 15 observations, free to reuse under CC BY 4.0 (Our World in Data).

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Urban agglomerations more than 1 million in Sierra Leone. Statizoid, drawing on Our World in Data. Retrieved 14 November 2026, from https://reference.statizoid.com/stat/urban-agglomerations-more-than-1-million/sierra-leone/

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About this data

Indicator
Urban agglomerations more than 1 million
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
182 places, 2,532 data points, 1950–2020
Last refreshed