Measles number unvaccinated in Sierra Leone

Sierra Leone: Measles number unvaccinated was 23,549 in 2023. ▼ Falling

Latest (2023)
23,549
Change on year
up 0.7%
World rank
76th
of 192 countries
All-time high
102,130
in 2000
All-time low
15,901
in 2019
Years of data
25
1999–2023

Measles number unvaccinated in Sierra Leone, 1999–2023

20.0k40.0k60.0k80.0k100.0k1999201120231999: 60.1k2000: 102.1k2001: 85.8k2002: 68.9k2003: 50.8k2004: 46.2k2005: 56.4k2006: 68.4k2007: 79.4k2008: 54.6k2009: 41.3k2010: 37.8k2011: 34.1k2012: 30.2k2013: 32.8k2014: 43.8k2015: 48.2k2016: 32.9k2017: 44.1k2018: 29.1k2019: 15.9k2020: 29.9k2021: 30.2k2022: 23.4k2023: 23.5k

Source: Our World in Data.

Analysis

In 2023, measles number unvaccinated in Sierra Leone stood at 23,549.

That represents a change of up 0.7% on the previous year and down 28.1% over ten years.

Over the whole period, measles number unvaccinated in Sierra Leone peaked at 102,130 in 2000 and was at its lowest, 15,901, in 2019.

Sierra Leone ranks 76th of 192 countries on this measure, in the middle of the range.

The long-run direction has been consistently falling across the 25 years of available data.

Measles number unvaccinated in Sierra Leone, year by year

Annual values for Measles number unvaccinated in Sierra Leone, 1999 to 2023.
Year Value Change
1999 60,130
2000 102,130 +69.8%
2001 85,834 -16.0%
2002 68,914 -19.7%
2003 50,757 -26.3%
2004 46,247 -8.9%
2005 56,380 +21.9%
2006 68,409 +21.3%
2007 79,440 +16.1%
2008 54,640 -31.2%
2009 41,251 -24.5%
2010 37,830 -8.3%
2011 34,080 -9.9%
2012 30,216 -11.3%
2013 32,771 +8.5%
2014 43,845 +33.8%
2015 48,159 +9.8%
2016 32,855 -31.8%
2017 44,147 +34.4%
2018 29,121 -34.0%
2019 15,901 -45.4%
2020 29,883 +87.9%
2021 30,160 +0.9%
2022 23,378 -22.5%
2023 23,549 +0.7%

Averages by decade

DecadeAverage LowestHighest Years
1990s 60,130 60,130 60,130 1
2000s 65,400 41,251 102,130 10
2010s 34,893 15,901 48,159 10
2020s 26,742 23,378 30,160 4

Countries ranked near Sierra Leone

  1. 73 Australia 27,596 compare
  2. 74 Poland 26,408 compare
  3. 75 Dominican Republic 23,893 compare
  4. 77 Paraguay 23,043 compare
  5. 78 Gabon 22,676 compare
  6. 79 Italy 20,403 compare

See the full ranking of 194 places →

More health data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is measles number unvaccinated in Sierra Leone?
Measles number unvaccinated in Sierra Leone was 23,549 in 2023, according to Our World in Data.
What is the highest measles number unvaccinated recorded in Sierra Leone?
The highest recorded value was 102,130 in 2000.
What is the lowest measles number unvaccinated recorded in Sierra Leone?
The lowest recorded value was 15,901 in 2019.
How does Sierra Leone rank for measles number unvaccinated?
Sierra Leone ranks 76th out of 192 countries with data for 2023.
Is measles number unvaccinated rising or falling in Sierra Leone?
Over the last ten years it is down 28.1%. The long-run trend across the full record is falling.
Where does this Sierra Leone data come from?
The figures come from Our World in Data, published as part of Measles number unvaccinated. Statizoid updates them automatically from the source API.

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Measles number unvaccinated in Sierra Leone. Statizoid, drawing on Our World in Data. Retrieved 24 August 2026, from https://health.statizoid.com/stat/measles-number-unvaccinated/sierra-leone/

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About this data

Indicator
Measles number unvaccinated
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
194 places, 7,780 data points, 1980–2023
Last refreshed