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Reported paralytic polio cases per million in Tanzania

Tanzania: Reported paralytic polio cases per million was 0.0297 cases per million in 2023. ◆ Volatile

Latest (2023)
0.0297 cases per million
World rank
23rd
of 199 countries
All-time high
23.98 cases per million
in 1987
All-time low
0 cases per million
in 1999
Years of data
43
1980–2023

Reported paralytic polio cases per million in Tanzania, 1980–2023

05101520251980200120231980: 4.7 cases per million1981: 3.5 cases per million1982: 1.3 cases per million1983: 4.8 cases per million1984: 4.9 cases per million1985: 15.1 cases per million1986: 9.9 cases per million1987: 24 cases per million1988: 0.161 cases per million1989: 0.118 cases per million1990: 0.114 cases per million1991: 0.149 cases per million1992: 0.326 cases per million1993: 0.035 cases per million1994: 0.304 cases per million1996: 0.289 cases per million1997: 0.315 cases per million1998: 2 cases per million1999: 0 cases per million2000: 0 cases per million2001: 0 cases per million2002: 0 cases per million2003: 0 cases per million2004: 0 cases per million2005: 0 cases per million2006: 0 cases per million2007: 0 cases per million2008: 0 cases per million2009: 0 cases per million2010: 0 cases per million2011: 0 cases per million2012: 0 cases per million2013: 0 cases per million2014: 0 cases per million2015: 0 cases per million2016: 0 cases per million2017: 0 cases per million2018: 0 cases per million2019: 0 cases per million2020: 0 cases per million2021: 0 cases per million2022: 0 cases per million2023: 0.03 cases per million

Source: World Health Organization (2019); World Health Organization (2024); Population based on various sources (2023) – with major processing by Our World in Data. Measured in cases per million.

Analysis

Tanzania recorded 0.0297 cases per million for reported paralytic polio cases per million in 2023.

Over the whole period, reported paralytic polio cases per million in Tanzania peaked at 23.98 cases per million in 1987 and was at its lowest, 0 cases per million, in 1999.

That places Tanzania 23rd out of 199 countries with data for 2023, putting it in the top quarter.

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

Reported paralytic polio cases per million in Tanzania, year by year

Year cases per million Change
1980 4.72 cases per million —
1981 3.47 cases per million -26.4%
1982 1.27 cases per million -63.4%
1983 4.77 cases per million +276.2%
1984 4.94 cases per million +3.6%
1985 15.06 cases per million +204.9%
1986 9.86 cases per million -34.5%
1987 23.98 cases per million +143.2%
1988 0.161 cases per million -99.3%
1989 0.1175 cases per million -27.0%
1990 0.1145 cases per million -2.6%
1991 0.1487 cases per million +29.9%
1992 0.3263 cases per million +119.4%
1993 0.0351 cases per million -89.2%
1994 0.3041 cases per million +765.7%
1996 0.289 cases per million -5.0%
1997 0.3146 cases per million +8.9%
1998 2.02 cases per million +543.0%
1999 0 cases per million -100.0%
2000 0 cases per million —
2001 0 cases per million —
2002 0 cases per million —
2003 0 cases per million —
2004 0 cases per million —
2005 0 cases per million —
2006 0 cases per million —
2007 0 cases per million —
2008 0 cases per million —
2009 0 cases per million —
2010 0 cases per million —
2011 0 cases per million —
2012 0 cases per million —
2013 0 cases per million —
2014 0 cases per million —
2015 0 cases per million —
2016 0 cases per million —
2017 0 cases per million —
2018 0 cases per million —
2019 0 cases per million —
2020 0 cases per million —
2021 0 cases per million —
2022 0 cases per million —
2023 0.0297 cases per million —

Biggest year-on-year movements

Years where Reported paralytic polio cases per million in Tanzania 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
1994 +765.7% 0.0351 cases per million 0.3041 cases per million

Averages by decade

DecadeAverage LowestHighest Years
1980s 6.84 cases per million 0.1175 cases per million 23.98 cases per million 10
1990s 0.395 cases per million 0 cases per million 2.02 cases per million 9
2000s 0 cases per million 0 cases per million 0 cases per million 10
2010s 0 cases per million 0 cases per million 0 cases per million 10
2020s 0.0074 cases per million 0 cases per million 0.0297 cases per million 4

Countries ranked near Tanzania

  1. 20 Niger 0.0735 cases per million compare
  2. 21 Zimbabwe 0.06 cases per million compare
  3. 22 Zambia 0.0486 cases per million compare
  4. 24 Pakistan 0.0249 cases per million compare
  5. 25 Indonesia 0.0216 cases per million compare
  6. 26 Albania 0 cases per million compare
  7. 26 Algeria 0 cases per million compare
  8. 26 Andorra 0 cases per million
  9. 26 Angola 0 cases per million compare
  10. 26 Antigua and Barbuda 0 cases per million
  11. 26 Argentina 0 cases per million compare
  12. 26 Armenia 0 cases per million compare
  13. 26 Australia 0 cases per million compare
  14. 26 Austria 0 cases per million compare
  15. 26 Azerbaijan 0 cases per million compare
  16. 26 Bahamas 0 cases per million
  17. 26 Bahrain 0 cases per million compare
  18. 26 Bangladesh 0 cases per million compare
  19. 26 Barbados 0 cases per million
  20. 26 Belarus 0 cases per million compare
  21. 26 Belgium 0 cases per million compare
  22. 26 Belize 0 cases per million compare
  23. 26 Bhutan 0 cases per million compare
  24. 26 Bolivia 0 cases per million compare
  25. 26 Bosnia and Herzegovina 0 cases per million
  26. 26 Botswana 0 cases per million compare
  27. 26 Brazil 0 cases per million compare
  28. 26 Brunei 0 cases per million
  29. 26 Bulgaria 0 cases per million compare
  30. 26 Cambodia 0 cases per million compare
  31. 26 Cameroon 0 cases per million compare
  32. 26 Canada 0 cases per million compare
  33. 26 Cape Verde 0 cases per million compare
  34. 26 Chile 0 cases per million compare
  35. 26 China 0 cases per million compare
  36. 26 Colombia 0 cases per million compare
  37. 26 Comoros 0 cases per million compare
  38. 26 Congo 0 cases per million compare
  39. 26 Cook Islands 0 cases per million
  40. 26 Costa Rica 0 cases per million
  41. 26 Croatia 0 cases per million
  42. 26 Cuba 0 cases per million
  43. 26 Cyprus 0 cases per million compare
  44. 26 Czechia 0 cases per million
  45. 26 Denmark 0 cases per million compare
  46. 26 Djibouti 0 cases per million compare
  47. 26 Dominica 0 cases per million
  48. 26 Dominican Republic 0 cases per million compare
  49. 26 East Timor 0 cases per million
  50. 26 Ecuador 0 cases per million compare
  51. 26 Egypt 0 cases per million compare
  52. 26 El Salvador 0 cases per million compare
  53. 26 Equatorial Guinea 0 cases per million compare
  54. 26 Eritrea 0 cases per million compare
  55. 26 Estonia 0 cases per million
  56. 26 Eswatini 0 cases per million compare
  57. 26 Ethiopia 0 cases per million compare
  58. 26 Fiji 0 cases per million
  59. 26 Finland 0 cases per million compare
  60. 26 France 0 cases per million compare
  61. 26 Gabon 0 cases per million compare
  62. 26 Gambia 0 cases per million compare
  63. 26 Georgia 0 cases per million compare
  64. 26 Germany 0 cases per million compare
  65. 26 Ghana 0 cases per million compare
  66. 26 Greece 0 cases per million compare
  67. 26 Grenada 0 cases per million
  68. 26 Guatemala 0 cases per million compare
  69. 26 Guinea-Bissau 0 cases per million compare
  70. 26 Guyana 0 cases per million
  71. 26 Haiti 0 cases per million compare
  72. 26 Honduras 0 cases per million compare
  73. 26 Hong Kong 0 cases per million
  74. 26 Hungary 0 cases per million compare
  75. 26 Iceland 0 cases per million
  76. 26 India 0 cases per million compare
  77. 26 Iran 0 cases per million compare
  78. 26 Iraq 0 cases per million compare
  79. 26 Ireland 0 cases per million compare
  80. 26 Italy 0 cases per million compare
  81. 26 Jamaica 0 cases per million compare
  82. 26 Japan 0 cases per million compare
  83. 26 Jordan 0 cases per million compare
  84. 26 Kazakhstan 0 cases per million compare
  85. 26 Kiribati 0 cases per million
  86. 26 Kuwait 0 cases per million compare
  87. 26 Kyrgyzstan 0 cases per million compare
  88. 26 Laos 0 cases per million compare
  89. 26 Latvia 0 cases per million
  90. 26 Lebanon 0 cases per million compare
  91. 26 Lesotho 0 cases per million compare
  92. 26 Liberia 0 cases per million compare
  93. 26 Libya 0 cases per million compare
  94. 26 Lithuania 0 cases per million
  95. 26 Luxembourg 0 cases per million
  96. 26 Macao 0 cases per million
  97. 26 Malawi 0 cases per million compare
  98. 26 Malaysia 0 cases per million compare
  99. 26 Maldives 0 cases per million compare
  100. 26 Malta 0 cases per million
  101. 26 Marshall Islands 0 cases per million compare
  102. 26 Mauritius 0 cases per million
  103. 26 Mexico 0 cases per million compare
  104. 26 Micronesia (country) 0 cases per million
  105. 26 Moldova 0 cases per million compare
  106. 26 Monaco 0 cases per million
  107. 26 Mongolia 0 cases per million compare
  108. 26 Montenegro 0 cases per million
  109. 26 Morocco 0 cases per million compare
  110. 26 Myanmar 0 cases per million compare
  111. 26 Namibia 0 cases per million compare
  112. 26 Nauru 0 cases per million compare
  113. 26 Nepal 0 cases per million compare
  114. 26 Netherlands 0 cases per million compare
  115. 26 New Zealand 0 cases per million
  116. 26 Nicaragua 0 cases per million compare
  117. 26 Niue 0 cases per million
  118. 26 North Korea 0 cases per million compare
  119. 26 North Macedonia 0 cases per million
  120. 26 Norway 0 cases per million compare
  121. 26 Oman 0 cases per million compare
  122. 26 Palau 0 cases per million
  123. 26 Palestine 0 cases per million
  124. 26 Panama 0 cases per million
  125. 26 Papua New Guinea 0 cases per million compare
  126. 26 Paraguay 0 cases per million compare
  127. 26 Peru 0 cases per million compare
  128. 26 Philippines 0 cases per million compare
  129. 26 Poland 0 cases per million compare
  130. 26 Portugal 0 cases per million compare
  131. 26 Qatar 0 cases per million compare
  132. 26 Reunion 0 cases per million
  133. 26 Romania 0 cases per million compare
  134. 26 Russia 0 cases per million compare
  135. 26 Rwanda 0 cases per million compare
  136. 26 Saint Helena 0 cases per million
  137. 26 Saint Kitts and Nevis 0 cases per million
  138. 26 Saint Lucia 0 cases per million
  139. 26 Saint Vincent and the Grenadines 0 cases per million
  140. 26 Samoa 0 cases per million
  141. 26 San Marino 0 cases per million
  142. 26 Sao Tome and Principe 0 cases per million compare
  143. 26 Saudi Arabia 0 cases per million compare
  144. 26 Senegal 0 cases per million compare
  145. 26 Serbia 0 cases per million compare
  146. 26 Seychelles 0 cases per million
  147. 26 Sierra Leone 0 cases per million compare
  148. 26 Singapore 0 cases per million compare
  149. 26 Slovakia 0 cases per million
  150. 26 Slovenia 0 cases per million
  151. 26 Solomon Islands 0 cases per million
  152. 26 South Africa 0 cases per million compare
  153. 26 South Korea 0 cases per million compare
  154. 26 Spain 0 cases per million compare
  155. 26 Sri Lanka 0 cases per million compare
  156. 26 Sudan 0 cases per million compare
  157. 26 Suriname 0 cases per million compare
  158. 26 Sweden 0 cases per million compare
  159. 26 Switzerland 0 cases per million compare
  160. 26 Syria 0 cases per million compare
  161. 26 Tajikistan 0 cases per million compare
  162. 26 Thailand 0 cases per million compare
  163. 26 Togo 0 cases per million compare
  164. 26 Tonga 0 cases per million
  165. 26 Trinidad and Tobago 0 cases per million
  166. 26 Tunisia 0 cases per million compare
  167. 26 Turkey 0 cases per million compare
  168. 26 Turkmenistan 0 cases per million compare
  169. 26 Tuvalu 0 cases per million
  170. 26 Uganda 0 cases per million compare
  171. 26 Ukraine 0 cases per million compare
  172. 26 United Arab Emirates 0 cases per million compare
  173. 26 United Kingdom 0 cases per million compare
  174. 26 United States 0 cases per million compare
  175. 26 Uruguay 0 cases per million
  176. 26 Uzbekistan 0 cases per million compare
  177. 26 Vanuatu 0 cases per million compare
  178. 26 Venezuela 0 cases per million compare
  179. 26 Vietnam 0 cases per million compare

See the full ranking of 199 places →

More reference data data for Tanzania

All data for Tanzania →

Frequently asked questions

What is reported paralytic polio cases per million in Tanzania?
Reported paralytic polio cases per million in Tanzania was 0.0297 cases per million in 2023, according to World Health Organization (2019); World Health Organization (2024); Population based on various sources (2023) – with major processing by Our World in Data.
What is the highest reported paralytic polio cases per million recorded in Tanzania?
The highest recorded value was 23.98 cases per million in 1987.
What is the lowest reported paralytic polio cases per million recorded in Tanzania?
The lowest recorded value was 0 cases per million in 1999.
How does Tanzania rank for reported paralytic polio cases per million?
Tanzania ranks 23rd out of 199 countries with data for 2023.
Where does this Tanzania data come from?
The figures come from World Health Organization (2019); World Health Organization (2024); Population based on various sources (2023) – with major processing by Our World in Data, published as part of Reported paralytic polio cases per million. Statizoid updates them automatically from the source API.

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Reported paralytic polio cases per million in Tanzania. Statizoid, drawing on World Health Organization (2019); World Health Organization (2024); Population based on various sources (2023) – with major processing by Our World in Data. Retrieved 29 September 2026, from https://reference.statizoid.com/stat/reported-paralytic-polio-cases-per-1-million-people/tanzania/

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About this data

Indicator
Reported paralytic polio cases per million
Unit
cases per million
Source
World Health Organization (2019); World Health Organization (2024); Population based on various sources (2023) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
199 places, 7,608 data points, 1980–2023
Last refreshed

Sum of wild poliovirus cases and circulating vaccine derived poliovirus cases per million people.