Slum population in Sierra Leone

49.3% of the urban population of Sierra Leone lived in slums in 2022. The value for 2022 is the lowest in the series, which starts in 2000.

Measure: Urban population living in slums Unit: % of urban population Data: 2000 to 2022 Source: World Bank
Sierra Leone, 2022 49.3% % of urban population
Change from 2020 −1.4percentage points 2020: 50.6%
World, 2022 23.2% Official aggregate
Position in 2022 32nd of 181 See the full ranking

Slum population in Sierra Leone over time

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Sierra Leone World ×

% of urban population. Source: World Bank, World Development Indicators. Gaps mean no published value; points are not joined across missing years.

Urban population living in slums (% of urban population), 2000 to 2022
Period Sierra LeoneWorld
2022 49.3% 23.2%
2020 50.6% –
2018 53.4% 19.7%
2016 56.1% –
2014 58.9% –
2012 61.6% –
2010 64.3% –
2008 67.1% –
2006 69.8% –
2004 72.5% –
2002 73.9% –
2000 73.9% –

A dash means no value was published for that period.

In short

  • The previous available figure was 50.6% in 2020, a change of −1.4 percentage points.
  • Since 2002, when it was 73.9%, the figure has changed by −24.6 percentage points.
  • Among the 181 countries with data for 2022, Sierra Leone has the 32nd highest value.
  • The figure for the world in 2022 was 23.2%.

More for Sierra Leone

All statistics for Sierra Leone

Source and dates

Original producer
UN-Habitat, Urban Indicators Database
Distributed by
World Bank, World Development Indicators
Dataset or series code
EN.POP.SLUM.UR.ZS · dataset details · view at source
Observation period
2000 to 2022 for Sierra Leone
Provider update
8 October 2026
Retrieved
9 November 2026
Published here
9 November 2026
Licence
CC BY 4.0 (per series metadata)
Attribution
Source: World Bank, World Development Indicators, original data: UN-Habitat, Urban Indicators Database