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Reported cases of guinea worm disease in Chad

Chad: Reported cases of guinea worm disease was 4 cases in 2025. ◆ Volatile

Latest (2025)
4 cases
Change on year
down 55.6%
World rank
1st
of 195 countries
All-time high
1,472 cases
in 1984
All-time low
0 cases
in 1980
Years of data
46
1980–2025

Reported cases of guinea worm disease in Chad, 1980–2025

05001.0k1.5k198020022025

Source: World Health Organization (2026) – with major processing by Our World in Data. Measured in cases.

Analysis

Chad recorded 4 cases for reported cases of guinea worm disease in 2025.

That represents a change of down 55.6% on the previous year and down 55.6% over ten years.

Over the whole period, reported cases of guinea worm disease in Chad peaked at 1,472 cases in 1984 and was at its lowest, 0 cases, in 1980.

Chad ranks 1st of 195 countries on this measure, in the top 10%.

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

Reported cases of guinea worm disease in Chad, year by year

Year cases Change
1980 0 cases —
1981 0 cases —
1982 0 cases —
1983 0 cases —
1984 1,472 cases —
1985 31 cases -97.9%
1986 314 cases +912.9%
1987 0 cases -100.0%
1988 0 cases —
1989 0 cases —
1990 0 cases —
1991 0 cases —
1992 156 cases —
1993 1,231 cases +689.1%
1994 640 cases -48.0%
1995 149 cases -76.7%
1996 127 cases -14.8%
1997 25 cases -80.3%
1998 3 cases -88.0%
1999 1 cases -66.7%
2000 3 cases +200.0%
2001 0 cases -100.0%
2002 0 cases —
2003 0 cases —
2004 0 cases —
2005 0 cases —
2006 0 cases —
2007 0 cases —
2008 0 cases —
2009 0 cases —
2010 10 cases —
2011 10 cases +0.0%
2012 10 cases +0.0%
2013 14 cases +40.0%
2014 13 cases -7.1%
2015 9 cases -30.8%
2016 16 cases +77.8%
2017 15 cases -6.2%
2018 17 cases +13.3%
2019 48 cases +182.4%
2020 12 cases -75.0%
2021 8 cases -33.3%
2022 6 cases -25.0%
2023 9 cases +50.0%
2024 9 cases +0.0%
2025 4 cases -55.6%

Biggest year-on-year movements

Years where Reported cases of guinea worm disease in Chad 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
1986 +912.9% 31 cases 314 cases
1993 +689.1% 156 cases 1,231 cases

Averages by decade

DecadeAverage LowestHighest Years
1980s 181.7 cases 0 cases 1,472 cases 10
1990s 233.2 cases 0 cases 1,231 cases 10
2000s 0.3 cases 0 cases 3 cases 10
2010s 16.2 cases 9 cases 48 cases 10
2020s 8 cases 4 cases 12 cases 6

Countries ranked near Chad

  1. 1 Ethiopia 4 cases compare
  2. 3 South Sudan 2 cases compare
  3. 4 Afghanistan 0 cases
  4. 4 Albania 0 cases
  5. 4 Algeria 0 cases
  6. 4 Andorra 0 cases
  7. 4 Angola 0 cases compare
  8. 4 Antigua and Barbuda 0 cases
  9. 4 Argentina 0 cases
  10. 4 Armenia 0 cases
  11. 4 Australia 0 cases
  12. 4 Austria 0 cases
  13. 4 Azerbaijan 0 cases
  14. 4 Bahamas 0 cases
  15. 4 Bahrain 0 cases
  16. 4 Bangladesh 0 cases
  17. 4 Barbados 0 cases
  18. 4 Belarus 0 cases
  19. 4 Belgium 0 cases
  20. 4 Belize 0 cases
  21. 4 Benin 0 cases compare
  22. 4 Bhutan 0 cases
  23. 4 Bolivia 0 cases
  24. 4 Bosnia and Herzegovina 0 cases
  25. 4 Botswana 0 cases
  26. 4 Brazil 0 cases
  27. 4 Brunei 0 cases
  28. 4 Bulgaria 0 cases
  29. 4 Burkina Faso 0 cases compare
  30. 4 Burundi 0 cases
  31. 4 Cambodia 0 cases
  32. 4 Cameroon 0 cases compare
  33. 4 Canada 0 cases
  34. 4 Cape Verde 0 cases
  35. 4 Central African Republic 0 cases compare
  36. 4 Chile 0 cases
  37. 4 China 0 cases
  38. 4 Colombia 0 cases
  39. 4 Comoros 0 cases
  40. 4 Congo 0 cases
  41. 4 Cook Islands 0 cases
  42. 4 Costa Rica 0 cases
  43. 4 Cote d'Ivoire 0 cases compare
  44. 4 Croatia 0 cases
  45. 4 Cuba 0 cases
  46. 4 Cyprus 0 cases
  47. 4 Czechia 0 cases
  48. 4 Democratic Republic of Congo 0 cases
  49. 4 Denmark 0 cases
  50. 4 Djibouti 0 cases
  51. 4 Dominica 0 cases
  52. 4 Dominican Republic 0 cases
  53. 4 East Timor 0 cases
  54. 4 Ecuador 0 cases
  55. 4 Egypt 0 cases
  56. 4 El Salvador 0 cases
  57. 4 Equatorial Guinea 0 cases
  58. 4 Eritrea 0 cases
  59. 4 Estonia 0 cases
  60. 4 Eswatini 0 cases
  61. 4 Fiji 0 cases
  62. 4 Finland 0 cases
  63. 4 France 0 cases
  64. 4 Gabon 0 cases
  65. 4 Gambia 0 cases
  66. 4 Georgia 0 cases
  67. 4 Germany 0 cases
  68. 4 Ghana 0 cases compare
  69. 4 Greece 0 cases
  70. 4 Greenland 0 cases
  71. 4 Grenada 0 cases
  72. 4 Guatemala 0 cases
  73. 4 Guinea 0 cases
  74. 4 Guinea-Bissau 0 cases
  75. 4 Guyana 0 cases
  76. 4 Haiti 0 cases
  77. 4 Honduras 0 cases
  78. 4 Hungary 0 cases
  79. 4 Iceland 0 cases
  80. 4 India 0 cases compare
  81. 4 Indonesia 0 cases
  82. 4 Iran 0 cases
  83. 4 Iraq 0 cases
  84. 4 Ireland 0 cases
  85. 4 Israel 0 cases
  86. 4 Italy 0 cases
  87. 4 Jamaica 0 cases
  88. 4 Japan 0 cases
  89. 4 Jordan 0 cases
  90. 4 Kazakhstan 0 cases
  91. 4 Kenya 0 cases compare
  92. 4 Kiribati 0 cases
  93. 4 Kuwait 0 cases
  94. 4 Kyrgyzstan 0 cases
  95. 4 Laos 0 cases
  96. 4 Latvia 0 cases
  97. 4 Lebanon 0 cases
  98. 4 Lesotho 0 cases
  99. 4 Liberia 0 cases
  100. 4 Libya 0 cases
  101. 4 Lithuania 0 cases
  102. 4 Luxembourg 0 cases
  103. 4 Madagascar 0 cases
  104. 4 Malawi 0 cases
  105. 4 Malaysia 0 cases
  106. 4 Maldives 0 cases
  107. 4 Mali 0 cases compare
  108. 4 Malta 0 cases
  109. 4 Marshall Islands 0 cases
  110. 4 Mauritania 0 cases compare
  111. 4 Mauritius 0 cases
  112. 4 Mexico 0 cases
  113. 4 Micronesia (country) 0 cases
  114. 4 Moldova 0 cases
  115. 4 Monaco 0 cases
  116. 4 Mongolia 0 cases
  117. 4 Montenegro 0 cases
  118. 4 Morocco 0 cases
  119. 4 Mozambique 0 cases
  120. 4 Myanmar 0 cases
  121. 4 Namibia 0 cases
  122. 4 Nauru 0 cases
  123. 4 Nepal 0 cases
  124. 4 Netherlands 0 cases
  125. 4 New Zealand 0 cases
  126. 4 Nicaragua 0 cases
  127. 4 Niger 0 cases compare
  128. 4 Nigeria 0 cases compare
  129. 4 Niue 0 cases
  130. 4 North Korea 0 cases
  131. 4 North Macedonia 0 cases
  132. 4 Norway 0 cases
  133. 4 Oman 0 cases
  134. 4 Pakistan 0 cases compare
  135. 4 Palau 0 cases
  136. 4 Panama 0 cases
  137. 4 Papua New Guinea 0 cases
  138. 4 Paraguay 0 cases
  139. 4 Peru 0 cases
  140. 4 Philippines 0 cases
  141. 4 Poland 0 cases
  142. 4 Portugal 0 cases
  143. 4 Qatar 0 cases
  144. 4 Romania 0 cases
  145. 4 Russia 0 cases
  146. 4 Rwanda 0 cases
  147. 4 Saint Kitts and Nevis 0 cases
  148. 4 Saint Lucia 0 cases
  149. 4 Saint Vincent and the Grenadines 0 cases
  150. 4 Samoa 0 cases
  151. 4 San Marino 0 cases
  152. 4 Sao Tome and Principe 0 cases
  153. 4 Saudi Arabia 0 cases
  154. 4 Senegal 0 cases compare
  155. 4 Serbia 0 cases
  156. 4 Seychelles 0 cases
  157. 4 Sierra Leone 0 cases
  158. 4 Singapore 0 cases
  159. 4 Slovakia 0 cases
  160. 4 Slovenia 0 cases
  161. 4 Solomon Islands 0 cases
  162. 4 Somalia 0 cases
  163. 4 South Africa 0 cases
  164. 4 South Korea 0 cases
  165. 4 Spain 0 cases
  166. 4 Sri Lanka 0 cases
  167. 4 Sudan 0 cases compare
  168. 4 Suriname 0 cases
  169. 4 Sweden 0 cases
  170. 4 Switzerland 0 cases
  171. 4 Syria 0 cases
  172. 4 Tajikistan 0 cases
  173. 4 Tanzania 0 cases
  174. 4 Thailand 0 cases
  175. 4 Togo 0 cases compare
  176. 4 Tonga 0 cases
  177. 4 Trinidad and Tobago 0 cases
  178. 4 Tunisia 0 cases
  179. 4 Turkey 0 cases
  180. 4 Turkmenistan 0 cases
  181. 4 Tuvalu 0 cases
  182. 4 Uganda 0 cases compare
  183. 4 Ukraine 0 cases
  184. 4 United Arab Emirates 0 cases
  185. 4 United Kingdom 0 cases
  186. 4 United States 0 cases
  187. 4 Uruguay 0 cases
  188. 4 Uzbekistan 0 cases
  189. 4 Vanuatu 0 cases
  190. 4 Venezuela 0 cases
  191. 4 Vietnam 0 cases
  192. 4 Yemen 0 cases compare
  193. 4 Zambia 0 cases
  194. 4 Zimbabwe 0 cases

See the full ranking of 195 places →

More reference data data for Chad

All data for Chad →

Frequently asked questions

What is reported cases of guinea worm disease in Chad?
Reported cases of guinea worm disease in Chad was 4 cases in 2025, according to World Health Organization (2026) – with major processing by Our World in Data.
What is the highest reported cases of guinea worm disease recorded in Chad?
The highest recorded value was 1,472 cases in 1984.
What is the lowest reported cases of guinea worm disease recorded in Chad?
The lowest recorded value was 0 cases in 1980.
How does Chad rank for reported cases of guinea worm disease?
Chad ranks 1st out of 195 countries with data for 2025.
Is reported cases of guinea worm disease rising or falling in Chad?
Over the last ten years it is down 55.6%. The long-run trend across the full record is volatile.
Where does this Chad data come from?
The figures come from World Health Organization (2026) – with major processing by Our World in Data, published as part of Reported cases of guinea worm disease. Statizoid updates them automatically from the source API.

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Reported cases of guinea worm disease in Chad. Statizoid, drawing on World Health Organization (2026) – with major processing by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/stat/number-of-reported-guinea-worm-dracunculiasis-cases/chad/

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About this data

Indicator
Reported cases of guinea worm disease
Unit
cases
Source
World Health Organization (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
195 places, 6,202 data points, 1980–2025
Last refreshed

Reported cases of guinea worm disease (Dracunculiasis) as recorded by the WHO.