Refugees under the mandate of the UNHCR by country or territory of in Sierra Leone

Sierra Leone: Refugees under the mandate of the UNHCR by country or territory of was 0.1031 units per square kilometre in 2023. ◆ Volatile

Latest (2023)
0.1031 units per square kilometre
Change on year
up 7.3%
World rank
61st
of 196 countries
All-time high
6.79 units per square kilometre
in 1999
All-time low
0.0001 units per square kilometre
in 1988
Years of data
36
1988–2023

Refugees under the mandate of the UNHCR by country or territory of in Sierra Leone, 1988–2023

02461988200520231988: 0 units per square kilometre1989: 0 units per square kilometre1990: 0 units per square kilometre1991: 2 units per square kilometre1992: 3.5 units per square kilometre1993: 4.3 units per square kilometre1994: 3.8 units per square kilometre1995: 5.3 units per square kilometre1996: 5.2 units per square kilometre1997: 4.6 units per square kilometre1998: 5.6 units per square kilometre1999: 6.8 units per square kilometre2000: 5.6 units per square kilometre2001: 2.5 units per square kilometre2002: 2 units per square kilometre2003: 0.978 units per square kilometre2004: 0.579 units per square kilometre2005: 0.561 units per square kilometre2006: 0.594 units per square kilometre2007: 0.445 units per square kilometre2008: 0.45 units per square kilometre2009: 0.213 units per square kilometre2010: 0.156 units per square kilometre2011: 0.111 units per square kilometre2012: 0.086 units per square kilometre2013: 0.073 units per square kilometre2014: 0.069 units per square kilometre2015: 0.068 units per square kilometre2016: 0.065 units per square kilometre2017: 0.062 units per square kilometre2018: 0.067 units per square kilometre2019: 0.073 units per square kilometre2020: 0.079 units per square kilometre2021: 0.092 units per square kilometre2022: 0.096 units per square kilometre2023: 0.103 units per square kilometre

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

Analysis

Sierra Leone recorded 0.1031 units per square kilometre for refugees under the mandate of the unhcr by country or territory of in 2023.

The figure is up 7.3% on the previous year and up 40.3% over ten years.

Over the whole period, refugees under the mandate of the unhcr by country or territory of in Sierra Leone peaked at 6.79 units per square kilometre in 1999 and was at its lowest, 0.0001 units per square kilometre, in 1988.

That places Sierra Leone 61st out of 196 countries with data for 2023, putting it in the middle of the range.

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

Refugees under the mandate of the UNHCR by country or territory of in Sierra Leone, year by year

Annual values for Refugees under the mandate of the UNHCR by country or territory of origin, per square kilometre in Sierra Leone, 1988 to 2023.
Year units per square kilometre Change
1988 0.0001 units per square kilometre
1989 0.0001 units per square kilometre +0.0%
1990 0.0001 units per square kilometre +0.0%
1991 1.98 units per square kilometre +1782575.0%
1992 3.51 units per square kilometre +77.8%
1993 4.31 units per square kilometre +22.7%
1994 3.81 units per square kilometre -11.5%
1995 5.26 units per square kilometre +37.8%
1996 5.2 units per square kilometre -1.2%
1997 4.56 units per square kilometre -12.2%
1998 5.63 units per square kilometre +23.3%
1999 6.79 units per square kilometre +20.7%
2000 5.58 units per square kilometre -17.8%
2001 2.48 units per square kilometre -55.5%
2002 1.96 units per square kilometre -21.0%
2003 0.9777 units per square kilometre -50.1%
2004 0.5791 units per square kilometre -40.8%
2005 0.5607 units per square kilometre -3.2%
2006 0.5936 units per square kilometre +5.9%
2007 0.4449 units per square kilometre -25.1%
2008 0.4505 units per square kilometre +1.3%
2009 0.2133 units per square kilometre -52.6%
2010 0.156 units per square kilometre -26.9%
2011 0.1106 units per square kilometre -29.1%
2012 0.0858 units per square kilometre -22.5%
2013 0.0735 units per square kilometre -14.3%
2014 0.0691 units per square kilometre -6.0%
2015 0.0679 units per square kilometre -1.8%
2016 0.0648 units per square kilometre -4.5%
2017 0.0623 units per square kilometre -3.9%
2018 0.0671 units per square kilometre +7.8%
2019 0.0733 units per square kilometre +9.1%
2020 0.0794 units per square kilometre +8.4%
2021 0.0916 units per square kilometre +15.4%
2022 0.0961 units per square kilometre +4.9%
2023 0.1031 units per square kilometre +7.3%

Sierra Leone compared with similar countries

  • Sierra Leone's 0.1031 units per square kilometre is below the median for low income countries, which is 0.2005 units per square kilometre, 51% of the median. (25 countries reporting)
  • Sierra Leone's 0.1031 units per square kilometre is above the median for Sub-Saharan Africa, which is 0.046 units per square kilometre, 2.2× the median. (48 countries reporting)

Biggest year-on-year movements

Years where Refugees under the mandate of the UNHCR by country or territory of in Sierra Leone changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.

YearChange FromTo
1991 +1782575.0% 0.0001 units per square kilometre 1.98 units per square kilometre

Averages by decade

DecadeAverage LowestHighest Years
1980s 0.0001 units per square kilometre 0.0001 units per square kilometre 0.0001 units per square kilometre 2
1990s 4.1 units per square kilometre 0.0001 units per square kilometre 6.79 units per square kilometre 10
2000s 1.38 units per square kilometre 0.2133 units per square kilometre 5.58 units per square kilometre 10
2010s 0.083 units per square kilometre 0.0623 units per square kilometre 0.156 units per square kilometre 10
2020s 0.0926 units per square kilometre 0.0794 units per square kilometre 0.1031 units per square kilometre 4

Countries ranked near Sierra Leone

  1. 58 Pakistan 0.1226 units per square kilometre compare
  2. 59 Bahamas 0.1066 units per square kilometre compare
  3. 60 Colombia 0.1041 units per square kilometre compare
  4. 62 Dominica 0.0973 units per square kilometre compare
  5. 63 Iran, Islamic Republic of 0.0935 units per square kilometre compare
  6. 64 Yemen 0.091 units per square kilometre compare

See the full ranking of 243 places →

More social development data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is refugees under the mandate of the unhcr by country or territory of in Sierra Leone?
Refugees under the mandate of the unhcr by country or territory of in Sierra Leone was 0.1031 units per square kilometre in 2023, according to Statizoid (derived).
What is the highest refugees under the mandate of the unhcr by country or territory of recorded in Sierra Leone?
The highest recorded value was 6.79 units per square kilometre in 1999.
What is the lowest refugees under the mandate of the unhcr by country or territory of recorded in Sierra Leone?
The lowest recorded value was 0.0001 units per square kilometre in 1988.
How does Sierra Leone rank for refugees under the mandate of the unhcr by country or territory of?
Sierra Leone ranks 61st out of 196 countries with data for 2023.
Is refugees under the mandate of the unhcr by country or territory of rising or falling in Sierra Leone?
Over the last ten years it is up 40.3%. 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 Refugees under the mandate of the UNHCR by country or territory of origin, per square kilometre. Statizoid updates them automatically from the source API.

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Refugees under the mandate of the UNHCR by country or territory of in Sierra Leone. Statizoid, drawing on Statizoid (derived). Retrieved 14 September 2026, from https://social-development.statizoid.com/stat/refugees-under-the-mandate-of-the-unhcr-by-country-or-territory-of-origin-per-square/sierra-leone/

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How this figure is calculated

Refugees under the mandate of the UNHCR by country or territory of origin 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.

Refugees under the mandate of the UNHCR by country or territory of origin ÷ Land area (sq. km)

Computed from

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
Refugees under the mandate of the UNHCR by country or territory of origin, per square kilometre
Unit
units per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
243 places, 9,411 data points, 1961–2023
Last refreshed

Refugees under the mandate of the UNHCR by country or territory of origin 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.