Statizoid

Diphtheria - number of reported cases, gaps filled in Samoa

Samoa: Diphtheria - number of reported cases, gaps filled was 0 in 2025. ◆ Volatile

Latest (2025)
0
World rank
60th
of 210 countries
All-time high
4
in 1982
All-time low
0
in 1974
Years of data
43
1974–2025

Diphtheria - number of reported cases, gaps filled in Samoa, 1974–2025

012341974199920251974: 01975: 01976: 01977: 01978: 01979: 01980: 01981: 01982: 41983: 01984: 01985: 01986: 11987: 01988: 01989: 01990: 01991: 01992: 01993: 01994: 01995: 01996: 01997: 01998: 02004: 02005: 02006: 02007: 02008: 02009: 02010: 02011: 02012: 02017: 02018: 12019: 0.52020: 02021: 02022: 02023: 02024: 02025: 0

Source: Statizoid (derived).

Analysis

In 2025, diphtheria - number of reported cases, gaps filled in Samoa stood at 0. That is the lowest value across all 43 years on record.

Over the whole period, diphtheria - number of reported cases, gaps filled in Samoa peaked at 4 in 1982 and was at its lowest, 0, in 1974.

That places Samoa 60th out of 210 countries with data for 2025, putting it in the middle of the range.

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

Diphtheria - number of reported cases, gaps filled in Samoa, year by year

Year Value Change
1974 0 —
1975 0 —
1976 0 —
1977 0 —
1978 0 —
1979 0 —
1980 0 —
1981 0 —
1982 4 —
1983 0 -100.0%
1984 0 —
1985 0 —
1986 1 —
1987 0 -100.0%
1988 0 —
1989 0 —
1990 0 —
1991 0 —
1992 0 —
1993 0 —
1994 0 —
1995 0 —
1996 0 —
1997 0 —
1998 0 —
2004 0 —
2005 0 —
2006 0 —
2007 0 —
2008 0 —
2009 0 —
2010 0 —
2011 0 —
2012 0 —
2017 0 —
2018 1 —
2019 0.5 -50.0%
2020 0 -100.0%
2021 0 —
2022 0 —
2023 0 —
2024 0 —
2025 0 —

Averages by decade

DecadeAverage LowestHighest Years
1970s 0 0 0 6
1980s 0.5 0 4 10
1990s 0 0 0 9
2000s 0 0 0 6
2010s 0.25 0 1 6
2020s 0 0 0 6

Countries ranked near Samoa

  1. 60 Aruba 0
  2. 60 Angola 0 compare
  3. 60 Albania 0 compare
  4. 60 Andorra 0
  5. 60 United Arab Emirates 0 compare
  6. 60 Argentina 0 compare
  7. 60 Armenia 0 compare
  8. 60 American Samoa 0
  9. 60 Antigua and Barbuda 0
  10. 60 Azerbaijan 0 compare
  11. 60 Burundi 0 compare
  12. 60 Benin 0 compare
  13. 60 Bangladesh 0 compare
  14. 60 Bulgaria 0 compare
  15. 60 Bahrain 0 compare
  16. 60 Bahamas 0 compare
  17. 60 Bosnia and Herzegovina 0
  18. 60 Belarus 0 compare
  19. 60 Belize 0 compare
  20. 60 Bermuda 0 compare
  21. 60 Bolivia, Plurinational State of 0 compare
  22. 60 Barbados 0 compare
  23. 60 Brunei Darussalam 0 compare
  24. 60 Bhutan 0 compare
  25. 60 Botswana 0 compare
  26. 60 Chile 0 compare
  27. 60 China 0 compare
  28. 60 Côte d'Ivoire 0 compare
  29. 60 Cameroon 0 compare
  30. 60 Congo 0 compare
  31. 60 Colombia 0 compare
  32. 60 Comoros 0
  33. 60 Cape Verde 0 compare
  34. 60 Costa Rica 0 compare
  35. 60 Cuba 0 compare
  36. 60 Cayman Islands 0
  37. 60 Cyprus 0 compare
  38. 60 Djibouti 0 compare
  39. 60 Dominica 0 compare
  40. 60 Denmark 0 compare
  41. 60 Dominican Republic 0 compare
  42. 60 Ecuador 0 compare
  43. 60 Egypt 0 compare
  44. 60 Eritrea 0 compare
  45. 60 Estonia 0 compare
  46. 60 Ethiopia 0 compare
  47. 60 Finland 0 compare
  48. 60 Fiji 0
  49. 60 Micronesia, Federated States of 0
  50. 60 Georgia 0 compare
  51. 60 Ghana 0 compare
  52. 60 Gambia 0 compare
  53. 60 Guinea-Bissau 0 compare
  54. 60 Equatorial Guinea 0 compare
  55. 60 Grenada 0 compare
  56. 60 Guatemala 0 compare
  57. 60 Guam 0
  58. 60 Hong Kong 0 compare
  59. 60 Honduras 0 compare
  60. 60 Croatia 0
  61. 60 Hungary 0 compare
  62. 60 Ireland 0 compare
  63. 60 Iran, Islamic Republic of 0 compare
  64. 60 Iceland 0
  65. 60 Israel 0 compare
  66. 60 Jamaica 0 compare
  67. 60 Jordan 0 compare
  68. 60 Japan 0 compare
  69. 60 Kazakhstan 0 compare
  70. 60 Kyrgyzstan 0 compare
  71. 60 Kiribati 0 compare
  72. 60 Saint Kitts and Nevis 0 compare
  73. 60 Republic of Korea 0 compare
  74. 60 Kuwait 0 compare
  75. 60 Lao People's Democratic Republic 0 compare
  76. 60 Lebanon 0 compare
  77. 60 Liberia 0
  78. 60 Libya 0 compare
  79. 60 Saint Lucia 0 compare
  80. 60 Sri Lanka 0 compare
  81. 60 Lesotho 0 compare
  82. 60 Macao 0 compare
  83. 60 Morocco 0 compare
  84. 60 Monaco 0 compare
  85. 60 Republic of Moldova 0 compare
  86. 60 Maldives 0
  87. 60 Mexico 0 compare
  88. 60 Marshall Islands 0 compare
  89. 60 North Macedonia 0
  90. 60 Malta 0
  91. 60 Montenegro 0
  92. 60 Mongolia 0 compare
  93. 60 Northern Mariana Islands 0
  94. 60 Mozambique 0 compare
  95. 60 Mauritius 0 compare
  96. 60 Malawi 0 compare
  97. 60 New Caledonia 0 compare
  98. 60 Nicaragua 0 compare
  99. 60 Naoero 0
  100. 60 Oman 0 compare
  101. 60 Panama 0 compare
  102. 60 Peru 0 compare
  103. 60 Palau 0
  104. 60 Papua New Guinea 0 compare
  105. 60 North Korea 0 compare
  106. 60 Portugal 0 compare
  107. 60 Paraguay 0 compare
  108. 60 Palestine, State of 0
  109. 60 French Polynesia 0 compare
  110. 60 Qatar 0 compare
  111. 60 Romania 0 compare
  112. 60 Russian Federation 0 compare
  113. 60 Rwanda 0 compare
  114. 60 Saudi Arabia 0 compare
  115. 60 Senegal 0 compare
  116. 60 Singapore 0 compare
  117. 60 Solomon Islands 0
  118. 60 Sierra Leone 0 compare
  119. 60 El Salvador 0 compare
  120. 60 San Marino 0
  121. 60 Serbia 0 compare
  122. 60 Sao Tome and Principe 0
  123. 60 Seychelles 0
  124. 60 Syria 0 compare
  125. 60 Turks and Caicos Islands 0
  126. 60 Togo 0 compare
  127. 60 Tajikistan 0 compare
  128. 60 Turkmenistan 0 compare
  129. 60 Timor-Leste 0 compare
  130. 60 Tonga 0
  131. 60 Trinidad and Tobago 0 compare
  132. 60 Tunisia 0 compare
  133. 60 Türkiye 0 compare
  134. 60 Tuvalu 0 compare
  135. 60 Tanzania, United Republic of 0 compare
  136. 60 Ukraine 0 compare
  137. 60 Uruguay 0 compare
  138. 60 Uzbekistan 0 compare
  139. 60 Saint Vincent and the Grenadines 0 compare
  140. 60 Venezuela, Bolivarian Republic of 0 compare
  141. 60 British Virgin Islands 0
  142. 60 Vanuatu 0 compare
  143. 60 Zambia 0 compare
  144. 60 Zimbabwe 0 compare
  145. 60 Anguilla 0
  146. 60 Cook Islands 0
  147. 60 Montserrat 0
  148. 60 Niue 0
  149. 60 Tokelau 0
  150. 60 Wallis and Futuna 0

See the full ranking of 222 places →

More health data for Samoa

All data for Samoa →

Frequently asked questions

What is diphtheria - number of reported cases, gaps filled in Samoa?
Diphtheria - number of reported cases, gaps filled in Samoa was 0 in 2025, according to Statizoid (derived).
What is the highest diphtheria - number of reported cases, gaps filled recorded in Samoa?
The highest recorded value was 4 in 1982.
What is the lowest diphtheria - number of reported cases, gaps filled recorded in Samoa?
The lowest recorded value was 0 in 1974.
How does Samoa rank for diphtheria - number of reported cases, gaps filled?
Samoa ranks 60th out of 210 countries with data for 2025.
Where does this Samoa data come from?
The figures come from Statizoid (derived), published as part of Diphtheria - number of reported cases, gaps filled. Statizoid updates them automatically from the source API.

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Diphtheria - number of reported cases, gaps filled in Samoa. Statizoid, drawing on Statizoid (derived). Retrieved 31 August 2026, from https://health.statizoid.com/stat/diphtheria-number-of-reported-cases-gaps-filled/samoa/

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How this figure is calculated

Diphtheria - number of reported cases with 613 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.

Computed from

Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.

About this data

Indicator
Diphtheria - number of reported cases, gaps filled
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
222 places, 9,846 data points, 1974–2025
Last refreshed

Diphtheria - number of reported cases with 613 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.