Share of potential polio cases tested and reported to the WHO in Congo

Congo: Share of potential polio cases tested and reported to the WHO was 99.0% in 2023. ▼ Falling

Latest (2023)
99.0%
Change on year
up 3.1%
World rank
23rd
of 173 countries
All-time high
99.0%
in 2023
All-time low
26.0%
in 2010
Years of data
23
2001–2023

Share of potential polio cases tested and reported to the WHO in Congo, 2001–2023

204060801002001201220232001: 80 %2002: 82 %2003: 95 %2004: 92 %2005: 95 %2006: 88 %2007: 92 %2008: 96 %2009: 85 %2010: 26 %2011: 83 %2012: 84 %2013: 80 %2014: 88 %2015: 89 %2016: 92 %2017: 96 %2018: 85 %2019: 88 %2020: 65 %2021: 45 %2022: 96 %2023: 99 %

Source: World Health Organization (2024) – processed by Our World in Data. Measured in %.

Analysis

In 2023, share of potential polio cases tested and reported to the who in Congo stood at 99.0%. That is the highest value across all 23 years on record.

The figure is up 3.1% on the previous year and up 23.8% over ten years.

Over the whole period, share of potential polio cases tested and reported to the who in Congo peaked at 99.0% in 2023 and was at its lowest, 26.0%, in 2010.

Congo ranks 23rd of 173 countries on this measure, in the top quarter.

The long-run direction has been consistently falling across the 23 years of available data.

Share of potential polio cases tested and reported to the WHO in Congo, year by year

Annual values for Share of potential polio cases tested and reported to the WHO in Congo, 2001 to 2023.
Year % Change
2001 80.0%
2002 82.0% +2.5%
2003 95.0% +15.9%
2004 92.0% -3.2%
2005 95.0% +3.3%
2006 88.0% -7.4%
2007 92.0% +4.5%
2008 96.0% +4.3%
2009 85.0% -11.5%
2010 26.0% -69.4%
2011 83.0% +219.2%
2012 84.0% +1.2%
2013 80.0% -4.8%
2014 88.0% +10.0%
2015 89.0% +1.1%
2016 92.0% +3.4%
2017 96.0% +4.3%
2018 85.0% -11.5%
2019 88.0% +3.5%
2020 65.0% -26.1%
2021 45.0% -30.8%
2022 96.0% +113.3%
2023 99.0% +3.1%

Congo compared with similar countries

  • Congo's 99.0% is above the median for lower middle income countries, which is 88.0%, 1.1× the median. (44 countries reporting)
  • Congo's 99.0% is above the median for Sub-Saharan Africa, which is 88.5%, 1.1× the median. (48 countries reporting)

Biggest year-on-year movements

Years where Share of potential polio cases tested and reported to the WHO in Congo 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
2011 +219.2% 26.0% 83.0%
2022 +113.3% 45.0% 96.0%
2010 -69.4% 85.0% 26.0%

Averages by decade

DecadeAverage LowestHighest Years
2000s 89.4% 80.0% 96.0% 9
2010s 81.1% 26.0% 96.0% 10
2020s 76.2% 45.0% 99.0% 4

Countries ranked near Congo

  1. 23 Bangladesh 99.0% compare
  2. 23 Kazakhstan 99.0% compare
  3. 23 Sierra Leone 99.0% compare
  4. 23 Vietnam 99.0% compare

See the full ranking of 173 places →

More reference data data for Congo

All data for Congo →

Frequently asked questions

What is share of potential polio cases tested and reported to the who in Congo?
Share of potential polio cases tested and reported to the who in Congo was 99.0% in 2023, according to World Health Organization (2024) – processed by Our World in Data.
What is the highest share of potential polio cases tested and reported to the who recorded in Congo?
The highest recorded value was 99.0% in 2023.
What is the lowest share of potential polio cases tested and reported to the who recorded in Congo?
The lowest recorded value was 26.0% in 2010.
How does Congo rank for share of potential polio cases tested and reported to the who?
Congo ranks 23rd out of 173 countries with data for 2023.
Is share of potential polio cases tested and reported to the who rising or falling in Congo?
Over the last ten years it is up 23.8%. The long-run trend across the full record is falling.
Where does this Congo data come from?
The figures come from World Health Organization (2024) – processed by Our World in Data, published as part of Share of potential polio cases tested and reported to the WHO. Statizoid updates them automatically from the source API.

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Share of potential polio cases tested and reported to the WHO in Congo. Statizoid, drawing on World Health Organization (2024) – processed by Our World in Data. Retrieved 24 September 2026, from https://reference.statizoid.com/stat/share-of-potential-polio-cases-with-adequate-stool-collection/congo-rep/

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About this data

Indicator
Share of potential polio cases tested and reported to the WHO
Unit
%
Source
World Health Organization (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
173 places, 3,711 data points, 2001–2023
Last refreshed

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