Statizoid

Pertussis - number of reported cases, per square kilometre in Tonga

Tonga: Pertussis - number of reported cases, per square kilometre was 0 units per square kilometre in 2023. ◆ Volatile

Latest (2023)
0 units per square kilometre
World rank
132nd
of 204 countries
All-time high
0.7306 units per square kilometre
in 1982
All-time low
0 units per square kilometre
in 1975
Years of data
43
1974–2023

Pertussis - number of reported cases, per square kilometre in Tonga, 1974–2023

00.20.40.60.81974199820231974: 0.007 units per square kilometre1975: 0 units per square kilometre1976: 0 units per square kilometre1977: 0 units per square kilometre1978: 0.292 units per square kilometre1979: 0.204 units per square kilometre1980: 0.003 units per square kilometre1981: 0 units per square kilometre1982: 0.731 units per square kilometre1983: 0.069 units per square kilometre1984: 0.006 units per square kilometre1985: 0.003 units per square kilometre1986: 0.001 units per square kilometre1987: 0 units per square kilometre1988: 0 units per square kilometre1989: 0.001 units per square kilometre1990: 0.004 units per square kilometre1991: 0 units per square kilometre1992: 0 units per square kilometre1993: 0 units per square kilometre1995: 0 units per square kilometre1996: 0 units per square kilometre1997: 0 units per square kilometre1998: 0 units per square kilometre1999: 0 units per square kilometre2000: 0 units per square kilometre2001: 0.001 units per square kilometre2002: 0.003 units per square kilometre2003: 0 units per square kilometre2004: 0 units per square kilometre2005: 0.013 units per square kilometre2006: 0.003 units per square kilometre2007: 0 units per square kilometre2008: 0 units per square kilometre2009: 0.007 units per square kilometre2010: 0 units per square kilometre2011: 0 units per square kilometre2012: 0.006 units per square kilometre2013: 0 units per square kilometre2016: 0 units per square kilometre2017: 0 units per square kilometre2018: 0 units per square kilometre2023: 0 units per square kilometre

Source: Statizoid (derived). Measured in units per square kilometre.

Analysis

The most recent figure for pertussis - number of reported cases, per square kilometre in Tonga is 0 units per square kilometre, measured in 2023. That is the lowest value across all 43 years on record.

Over the whole period, pertussis - number of reported cases, per square kilometre in Tonga peaked at 0.7306 units per square kilometre in 1982 and was at its lowest, 0 units per square kilometre, in 1975.

Tonga ranks 132nd of 204 countries on this measure, in the middle of the range.

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

Pertussis - number of reported cases, per square kilometre in Tonga, year by year

Year units per square kilometre Change
1974 0.0069 units per square kilometre —
1975 0 units per square kilometre -100.0%
1976 0 units per square kilometre —
1977 0 units per square kilometre —
1978 0.2917 units per square kilometre —
1979 0.2042 units per square kilometre -30.0%
1980 0.0028 units per square kilometre -98.6%
1981 0 units per square kilometre -100.0%
1982 0.7306 units per square kilometre —
1983 0.0694 units per square kilometre -90.5%
1984 0.0056 units per square kilometre -92.0%
1985 0.0028 units per square kilometre -50.0%
1986 0.0014 units per square kilometre -50.0%
1987 0 units per square kilometre -100.0%
1988 0 units per square kilometre —
1989 0.0014 units per square kilometre —
1990 0.0042 units per square kilometre +200.0%
1991 0 units per square kilometre -100.0%
1992 0 units per square kilometre —
1993 0 units per square kilometre —
1995 0 units per square kilometre —
1996 0 units per square kilometre —
1997 0 units per square kilometre —
1998 0 units per square kilometre —
1999 0 units per square kilometre —
2000 0 units per square kilometre —
2001 0.0014 units per square kilometre —
2002 0.0028 units per square kilometre +100.0%
2003 0 units per square kilometre -100.0%
2004 0 units per square kilometre —
2005 0.0125 units per square kilometre —
2006 0.0028 units per square kilometre -77.8%
2007 0 units per square kilometre -100.0%
2008 0 units per square kilometre —
2009 0.0069 units per square kilometre —
2010 0 units per square kilometre -100.0%
2011 0 units per square kilometre —
2012 0.0056 units per square kilometre —
2013 0 units per square kilometre -100.0%
2016 0 units per square kilometre —
2017 0 units per square kilometre —
2018 0 units per square kilometre —
2023 0 units per square kilometre —

Averages by decade

DecadeAverage LowestHighest Years
1970s 0.0838 units per square kilometre 0 units per square kilometre 0.2917 units per square kilometre 6
1980s 0.0814 units per square kilometre 0 units per square kilometre 0.7306 units per square kilometre 10
1990s 0.0005 units per square kilometre 0 units per square kilometre 0.0042 units per square kilometre 9
2000s 0.0026 units per square kilometre 0 units per square kilometre 0.0125 units per square kilometre 10
2010s 0.0008 units per square kilometre 0 units per square kilometre 0.0056 units per square kilometre 7
2020s 0 units per square kilometre 0 units per square kilometre 0 units per square kilometre 1

Countries ranked near Tonga

  1. 129 Burkina Faso 0 units per square kilometre compare
  2. 130 Congo 0 units per square kilometre compare
  3. 131 Namibia 0 units per square kilometre compare
  4. 132 Angola 0 units per square kilometre compare
  5. 132 American Samoa 0 units per square kilometre compare
  6. 132 Antigua and Barbuda 0 units per square kilometre compare
  7. 132 Burundi 0 units per square kilometre compare
  8. 132 Bangladesh 0 units per square kilometre compare
  9. 132 Bahrain 0 units per square kilometre compare
  10. 132 Bahamas 0 units per square kilometre compare
  11. 132 Belize 0 units per square kilometre compare
  12. 132 Barbados 0 units per square kilometre compare
  13. 132 Brunei Darussalam 0 units per square kilometre compare
  14. 132 Bhutan 0 units per square kilometre compare
  15. 132 Botswana 0 units per square kilometre compare
  16. 132 Cameroon 0 units per square kilometre compare
  17. 132 Comoros 0 units per square kilometre compare
  18. 132 Cape Verde 0 units per square kilometre compare
  19. 132 Cuba 0 units per square kilometre compare
  20. 132 Cayman Islands 0 units per square kilometre compare
  21. 132 Djibouti 0 units per square kilometre compare
  22. 132 Dominica 0 units per square kilometre compare
  23. 132 Egypt 0 units per square kilometre compare
  24. 132 Eritrea 0 units per square kilometre compare
  25. 132 Gabon 0 units per square kilometre compare
  26. 132 Ghana 0 units per square kilometre compare
  27. 132 Gambia 0 units per square kilometre compare
  28. 132 Guinea-Bissau 0 units per square kilometre compare
  29. 132 Equatorial Guinea 0 units per square kilometre compare
  30. 132 Grenada 0 units per square kilometre compare
  31. 132 Guatemala 0 units per square kilometre compare
  32. 132 Guam 0 units per square kilometre compare
  33. 132 Guyana 0 units per square kilometre compare
  34. 132 Iceland 0 units per square kilometre compare
  35. 132 Jamaica 0 units per square kilometre compare
  36. 132 Saint Kitts and Nevis 0 units per square kilometre
  37. 132 Liberia 0 units per square kilometre compare
  38. 132 Saint Lucia 0 units per square kilometre compare
  39. 132 Lesotho 0 units per square kilometre compare
  40. 132 Monaco 0 units per square kilometre compare
  41. 132 Maldives 0 units per square kilometre compare
  42. 132 Marshall Islands 0 units per square kilometre compare
  43. 132 Mali 0 units per square kilometre compare
  44. 132 Mongolia 0 units per square kilometre compare
  45. 132 Northern Mariana Islands 0 units per square kilometre compare
  46. 132 Mozambique 0 units per square kilometre compare
  47. 132 Mauritania 0 units per square kilometre compare
  48. 132 Mauritius 0 units per square kilometre compare
  49. 132 Malawi 0 units per square kilometre compare
  50. 132 New Caledonia 0 units per square kilometre compare
  51. 132 Nicaragua 0 units per square kilometre compare
  52. 132 Naoero 0 units per square kilometre compare
  53. 132 Palau 0 units per square kilometre
  54. 132 Korea, Democratic People's Republic of 0 units per square kilometre compare
  55. 132 French Polynesia 0 units per square kilometre compare
  56. 132 Rwanda 0 units per square kilometre compare
  57. 132 Senegal 0 units per square kilometre compare
  58. 132 Sierra Leone 0 units per square kilometre compare
  59. 132 El Salvador 0 units per square kilometre compare
  60. 132 Somalia 0 units per square kilometre compare
  61. 132 Sao Tome and Principe 0 units per square kilometre compare
  62. 132 Eswatini 0 units per square kilometre compare
  63. 132 Seychelles 0 units per square kilometre compare
  64. 132 Turks and Caicos Islands 0 units per square kilometre compare
  65. 132 Turkmenistan 0 units per square kilometre compare
  66. 132 Timor-Leste 0 units per square kilometre compare
  67. 132 Trinidad and Tobago 0 units per square kilometre compare
  68. 132 Tuvalu 0 units per square kilometre compare
  69. 132 Tanzania, United Republic of 0 units per square kilometre compare
  70. 132 Uganda 0 units per square kilometre compare
  71. 132 Saint Vincent and the Grenadines 0 units per square kilometre compare
  72. 132 Venezuela, Bolivarian Republic of 0 units per square kilometre compare
  73. 132 British Virgin Islands 0 units per square kilometre
  74. 132 Samoa 0 units per square kilometre compare
  75. 132 Zambia 0 units per square kilometre compare

See the full ranking of 205 places →

More health data for Tonga

All data for Tonga →

Frequently asked questions

What is pertussis - number of reported cases, per square kilometre in Tonga?
Pertussis - number of reported cases, per square kilometre in Tonga was 0 units per square kilometre in 2023, according to Statizoid (derived).
What is the highest pertussis - number of reported cases, per square kilometre recorded in Tonga?
The highest recorded value was 0.7306 units per square kilometre in 1982.
What is the lowest pertussis - number of reported cases, per square kilometre recorded in Tonga?
The lowest recorded value was 0 units per square kilometre in 1975.
How does Tonga rank for pertussis - number of reported cases, per square kilometre?
Tonga ranks 132nd out of 204 countries with data for 2023.
Where does this Tonga data come from?
The figures come from Statizoid (derived), published as part of Pertussis - number of reported cases, per square kilometre. Statizoid updates them automatically from the source API.

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Pertussis - number of reported cases, per square kilometre in Tonga. Statizoid, drawing on Statizoid (derived). Retrieved 11 September 2026, from https://health.statizoid.com/stat/pertussis-number-of-reported-cases-per-square-kilometre/tonga/

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How this figure is calculated

Pertussis - number of reported cases divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.

Pertussis - number of reported cases ÷ Land area (sq. km)

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
Pertussis - number of reported cases, per square kilometre
Unit
units per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
205 places, 7,899 data points, 1974–2023
Last refreshed

Pertussis - number of reported cases divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.