Polio number unvaccinated in Chad

Chad: Polio number unvaccinated was 242,358 in 2023. ▲ Rising

Latest (2023)
242,358
Change on year
down 18.5%
World rank
22nd
of 194 countries
All-time high
352,826
in 2019
All-time low
188,441
in 1987
Years of data
40
1984–2023

Polio number unvaccinated in Chad, 1984–2023

0100.0k200.0k300.0k400.0k1984200320231984: 189.4k1985: 205.5k1986: 197.2k1987: 188.4k1988: 195.5k1989: 192.9k1990: 202.8k1991: 217.5k1992: 247.1k1993: 252.5k1994: 247.9k1995: 253.1k1996: 251.4k1997: 251.2k1998: 245.6k1999: 235.3k2000: 257.5k2001: 280.6k2002: 270.0k2003: 257.6k2004: 286.6k2005: 273.4k2006: 232.3k2007: 293.4k2008: 342.0k2009: 342.5k2010: 295.7k2011: 321.5k2012: 270.6k2013: 307.3k2014: 327.5k2015: 288.0k2016: 344.6k2017: 351.0k2018: 351.2k2019: 352.8k2020: 329.2k2021: 297.1k2022: 297.5k2023: 242.4k

Source: Our World in Data.

Analysis

Chad recorded 242,358 for polio number unvaccinated in 2023.

That represents a change of down 18.5% on the previous year and down 21.1% over ten years.

Over the whole period, polio number unvaccinated in Chad peaked at 352,826 in 2019 and was at its lowest, 188,441, in 1987.

That places Chad 22nd out of 194 countries with data for 2023, putting it in the top quarter.

The long-run direction has been consistently rising across the 40 years of available data.

Polio number unvaccinated in Chad, year by year

Annual values for Polio number unvaccinated in Chad, 1984 to 2023.
Year Value Change
1984 189,367 —
1985 205,476 +8.5%
1986 197,181 -4.0%
1987 188,441 -4.4%
1988 195,542 +3.8%
1989 192,922 -1.3%
1990 202,820 +5.1%
1991 217,462 +7.2%
1992 247,074 +13.6%
1993 252,454 +2.2%
1994 247,861 -1.8%
1995 253,128 +2.1%
1996 251,375 -0.7%
1997 251,181 -0.1%
1998 245,588 -2.2%
1999 235,274 -4.2%
2000 257,509 +9.5%
2001 280,650 +9.0%
2002 269,997 -3.8%
2003 257,614 -4.6%
2004 286,583 +11.2%
2005 273,444 -4.6%
2006 232,320 -15.0%
2007 293,364 +26.3%
2008 342,039 +16.6%
2009 342,453 +0.1%
2010 295,707 -13.7%
2011 321,490 +8.7%
2012 270,572 -15.8%
2013 307,267 +13.6%
2014 327,509 +6.6%
2015 287,983 -12.1%
2016 344,580 +19.7%
2017 351,020 +1.9%
2018 351,174 +0.0%
2019 352,826 +0.5%
2020 329,244 -6.7%
2021 297,090 -9.8%
2022 297,492 +0.1%
2023 242,358 -18.5%

Chad compared with similar countries

  • Chad's 242,358 is above the median for low income countries, which is 162,231, 1.5× the median. (25 countries reporting)
  • Chad's 242,358 is above the median for Sub-Saharan Africa, which is 59,256, 4.1× the median. (48 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1980s 194,822 188,441 205,476 6
1990s 240,422 202,820 253,128 10
2000s 283,597 232,320 342,453 10
2010s 321,013 270,572 352,826 10
2020s 291,546 242,358 329,244 4

Countries ranked near Chad

  1. 19 United States 260,243 compare
  2. 20 Mozambique 255,544 compare
  3. 21 South Africa 251,724 compare
  4. 23 Mali 239,957 compare
  5. 24 Myanmar 237,934 compare
  6. 25 Cameroon 231,656 compare

See the full ranking of 194 places →

More health data for Chad

All data for Chad →

Frequently asked questions

What is polio number unvaccinated in Chad?
Polio number unvaccinated in Chad was 242,358 in 2023, according to Our World in Data.
What is the highest polio number unvaccinated recorded in Chad?
The highest recorded value was 352,826 in 2019.
What is the lowest polio number unvaccinated recorded in Chad?
The lowest recorded value was 188,441 in 1987.
How does Chad rank for polio number unvaccinated?
Chad ranks 22nd out of 194 countries with data for 2023.
Is polio number unvaccinated rising or falling in Chad?
Over the last ten years it is down 21.1%. The long-run trend across the full record is rising.
Where does this Chad data come from?
The figures come from Our World in Data, published as part of Polio number unvaccinated. Statizoid updates them automatically from the source API.

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Polio number unvaccinated in Chad. Statizoid, drawing on Our World in Data. Retrieved 10 November 2026, from https://health.statizoid.com/stat/polio-number-unvaccinated/chad/

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About this data

Indicator
Polio number unvaccinated
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
194 places, 7,911 data points, 1980–2023
Last refreshed