The number of reported paralytic polio cases in Sierra Leone
Sierra Leone: The number of reported paralytic polio cases was 0 in 2023. ◆ Volatile
Latest (2023)
0
World rank
26th
of 199 countries
All-time high
133
in 1989
All-time low
0
in 1995
Years of data
43
1980–2023
The number of reported paralytic polio cases in Sierra Leone, 1980–2023
Source: Our World in Data.
Analysis
In 2023, the number of reported paralytic polio cases in Sierra Leone stood at 0. That is the lowest value across all 43 years on record.
Over the whole period, the number of reported paralytic polio cases in Sierra Leone peaked at 133 in 1989 and was at its lowest, 0, in 1995.
Sierra Leone ranks 26th of 199 countries on this measure, in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
The number of reported paralytic polio cases in Sierra Leone, year by year
| Year | Value | Change |
|---|---|---|
| 1980 | 11 | — |
| 1981 | 48 | +336.4% |
| 1982 | 33 | -31.2% |
| 1983 | 51 | +54.5% |
| 1984 | 42 | -17.6% |
| 1985 | 45 | +7.1% |
| 1986 | 14 | -68.9% |
| 1987 | 12 | -14.3% |
| 1988 | 4 | -66.7% |
| 1989 | 133 | +3225.0% |
| 1990 | 38 | -71.4% |
| 1991 | 57 | +50.0% |
| 1992 | 5 | -91.2% |
| 1993 | 5 | +0.0% |
| 1994 | 7 | +40.0% |
| 1995 | 0 | -100.0% |
| 1997 | 0 | — |
| 1998 | 3 | — |
| 1999 | 14 | +366.7% |
| 2000 | 34 | +142.9% |
| 2001 | 0 | -100.0% |
| 2002 | 0 | — |
| 2003 | 0 | — |
| 2004 | 0 | — |
| 2005 | 0 | — |
| 2006 | 0 | — |
| 2007 | 0 | — |
| 2008 | 0 | — |
| 2009 | 11 | — |
| 2010 | 1 | -90.9% |
| 2011 | 0 | -100.0% |
| 2012 | 0 | — |
| 2013 | 0 | — |
| 2014 | 0 | — |
| 2015 | 0 | — |
| 2016 | 0 | — |
| 2017 | 0 | — |
| 2018 | 0 | — |
| 2019 | 0 | — |
| 2020 | 10 | — |
| 2021 | 5 | -50.0% |
| 2022 | 0 | -100.0% |
| 2023 | 0 | — |
Sierra Leone compared with similar countries
- Sierra Leone's 0 is below the median for low income countries, which is 1. (25 countries reporting)
Biggest year-on-year movements
Years where The number of reported paralytic polio cases 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.
| Year | Change | From | To |
|---|---|---|---|
| 1989 | +3225.0% | 4 | 133 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 39.3 | 4 | 133 | 10 |
| 1990s | 14.33 | 0 | 57 | 9 |
| 2000s | 4.5 | 0 | 34 | 10 |
| 2010s | 0.1 | 0 | 1 | 10 |
| 2020s | 3.75 | 0 | 10 | 4 |
Countries ranked near Sierra Leone
- 26 Albania 0 compare
- 26 Algeria 0 compare
- 26 Andorra 0
- 26 Angola 0 compare
- 26 Antigua and Barbuda 0
- 26 Argentina 0 compare
- 26 Armenia 0 compare
- 26 Australia 0 compare
- 26 Austria 0 compare
- 26 Azerbaijan 0 compare
- 26 Bahamas 0
- 26 Bahrain 0 compare
- 26 Bangladesh 0 compare
- 26 Barbados 0
- 26 Belarus 0 compare
- 26 Belgium 0 compare
- 26 Belize 0 compare
- 26 Bhutan 0 compare
- 26 Bolivia 0 compare
- 26 Bosnia and Herzegovina 0
- 26 Botswana 0 compare
- 26 Brazil 0 compare
- 26 Brunei 0
- 26 Bulgaria 0 compare
- 26 Cambodia 0 compare
- 26 Cameroon 0 compare
- 26 Canada 0 compare
- 26 Cape Verde 0 compare
- 26 Chile 0 compare
- 26 China 0 compare
- 26 Colombia 0 compare
- 26 Comoros 0 compare
- 26 Congo 0 compare
- 26 Cook Islands 0
- 26 Costa Rica 0
- 26 Croatia 0
- 26 Cuba 0
- 26 Cyprus 0 compare
- 26 Czechia 0
- 26 Denmark 0 compare
- 26 Djibouti 0 compare
- 26 Dominica 0
- 26 Dominican Republic 0 compare
- 26 East Timor 0
- 26 Ecuador 0 compare
- 26 Egypt 0 compare
- 26 El Salvador 0 compare
- 26 Equatorial Guinea 0 compare
- 26 Eritrea 0 compare
- 26 Estonia 0
- 26 Eswatini 0 compare
- 26 Ethiopia 0 compare
- 26 Fiji 0
- 26 Finland 0 compare
- 26 France 0 compare
- 26 Gabon 0 compare
- 26 Gambia 0 compare
- 26 Georgia 0 compare
- 26 Germany 0 compare
- 26 Ghana 0 compare
- 26 Greece 0 compare
- 26 Grenada 0
- 26 Guatemala 0 compare
- 26 Guinea-Bissau 0 compare
- 26 Guyana 0
- 26 Haiti 0 compare
- 26 Honduras 0 compare
- 26 Hong Kong 0
- 26 Hungary 0 compare
- 26 Iceland 0
- 26 India 0 compare
- 26 Iran 0 compare
- 26 Iraq 0 compare
- 26 Ireland 0 compare
- 26 Italy 0 compare
- 26 Jamaica 0 compare
- 26 Japan 0 compare
- 26 Jordan 0 compare
- 26 Kazakhstan 0 compare
- 26 Kiribati 0
- 26 Kuwait 0 compare
- 26 Kyrgyzstan 0 compare
- 26 Laos 0 compare
- 26 Latvia 0
- 26 Lebanon 0 compare
- 26 Lesotho 0 compare
- 26 Liberia 0 compare
- 26 Libya 0 compare
- 26 Lithuania 0
- 26 Luxembourg 0
- 26 Macao 0
- 26 Malawi 0 compare
- 26 Malaysia 0 compare
- 26 Maldives 0 compare
- 26 Malta 0
- 26 Marshall Islands 0 compare
- 26 Mauritius 0
- 26 Mexico 0 compare
- 26 Micronesia (country) 0
- 26 Moldova 0 compare
- 26 Monaco 0
- 26 Mongolia 0 compare
- 26 Montenegro 0
- 26 Morocco 0 compare
- 26 Myanmar 0 compare
- 26 Namibia 0 compare
- 26 Nauru 0 compare
- 26 Nepal 0 compare
- 26 Netherlands 0 compare
- 26 New Zealand 0
- 26 Nicaragua 0 compare
- 26 Niue 0
- 26 North Korea 0 compare
- 26 North Macedonia 0
- 26 Norway 0 compare
- 26 Oman 0 compare
- 26 Palau 0
- 26 Palestine 0
- 26 Panama 0
- 26 Papua New Guinea 0 compare
- 26 Paraguay 0 compare
- 26 Peru 0 compare
- 26 Philippines 0 compare
- 26 Poland 0 compare
- 26 Portugal 0 compare
- 26 Qatar 0 compare
- 26 Reunion 0
- 26 Romania 0 compare
- 26 Russia 0 compare
- 26 Rwanda 0 compare
- 26 Saint Helena 0
- 26 Saint Kitts and Nevis 0
- 26 Saint Lucia 0
- 26 Saint Vincent and the Grenadines 0
- 26 Samoa 0
- 26 San Marino 0
- 26 Sao Tome and Principe 0 compare
- 26 Saudi Arabia 0 compare
- 26 Senegal 0 compare
- 26 Serbia 0 compare
- 26 Seychelles 0
- 26 Singapore 0 compare
- 26 Slovakia 0
- 26 Slovenia 0
- 26 Solomon Islands 0
- 26 South Africa 0 compare
- 26 South Korea 0 compare
- 26 Spain 0 compare
- 26 Sri Lanka 0 compare
- 26 Sudan 0 compare
- 26 Suriname 0 compare
- 26 Sweden 0 compare
- 26 Switzerland 0 compare
- 26 Syria 0 compare
- 26 Tajikistan 0 compare
- 26 Thailand 0 compare
- 26 Togo 0 compare
- 26 Tonga 0
- 26 Trinidad and Tobago 0
- 26 Tunisia 0 compare
- 26 Turkey 0 compare
- 26 Turkmenistan 0 compare
- 26 Tuvalu 0
- 26 Uganda 0 compare
- 26 Ukraine 0 compare
- 26 United Arab Emirates 0 compare
- 26 United Kingdom 0 compare
- 26 United States 0 compare
- 26 Uruguay 0
- 26 Uzbekistan 0 compare
- 26 Vanuatu 0 compare
- 26 Venezuela 0 compare
- 26 Vietnam 0 compare
More reference data data for Sierra Leone
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0238 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.4498 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.5935 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.12 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.5935 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0797 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.044 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 1.91 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 2.72 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.6534 (2050)
Frequently asked questions
- What is the number of reported paralytic polio cases in Sierra Leone?
- The number of reported paralytic polio cases in Sierra Leone was 0 in 2023, according to Our World in Data.
- What is the highest the number of reported paralytic polio cases recorded in Sierra Leone?
- The highest recorded value was 133 in 1989.
- What is the lowest the number of reported paralytic polio cases recorded in Sierra Leone?
- The lowest recorded value was 0 in 1995.
- How does Sierra Leone rank for the number of reported paralytic polio cases?
- Sierra Leone ranks 26th out of 199 countries with data for 2023.
- Where does this Sierra Leone data come from?
- The figures come from Our World in Data, published as part of The number of reported paralytic polio cases. Statizoid updates them automatically from the source API.
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