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Pertussis - number of reported cases, per unit of GDP in Sierra Leone

Sierra Leone: Pertussis - number of reported cases, per unit of GDP was 0 units per US$ of GDP in 2025. ◆ Volatile

Latest (2025)
0 units per US$ of GDP
World rank
138th
of 201 countries
All-time high
0 units per US$ of GDP
in 1985
All-time low
0 units per US$ of GDP
in 1997
Years of data
17
1979–2025

Pertussis - number of reported cases, per unit of GDP in Sierra Leone, 1979–2025

000001979200220251979: 0 units per US$ of GDP1980: 0 units per US$ of GDP1981: 0 units per US$ of GDP1982: 0 units per US$ of GDP1983: 0 units per US$ of GDP1984: 0 units per US$ of GDP1985: 0 units per US$ of GDP1986: 0 units per US$ of GDP1987: 0 units per US$ of GDP1988: 0 units per US$ of GDP1997: 0 units per US$ of GDP2000: 0 units per US$ of GDP2003: 0 units per US$ of GDP2007: 0 units per US$ of GDP2011: 0 units per US$ of GDP2021: 0 units per US$ of GDP2025: 0 units per US$ of GDP

Source: Statizoid (derived). Measured in units per US$ of GDP.

Analysis

In 2025, pertussis - number of reported cases, per unit of gdp in Sierra Leone stood at 0 units per US$ of GDP. That is the lowest value across all 17 years on record.

The figure is down 100.0% over ten years.

Over the whole period, pertussis - number of reported cases, per unit of gdp in Sierra Leone peaked at 0 units per US$ of GDP in 1985 and was at its lowest, 0 units per US$ of GDP, in 1997.

Sierra Leone ranks 138th of 201 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 unit of GDP in Sierra Leone, year by year

Year units per US$ of GDP Change
1979 0 units per US$ of GDP —
1980 0 units per US$ of GDP +14.5%
1981 0 units per US$ of GDP +27.4%
1982 0 units per US$ of GDP -41.3%
1983 0 units per US$ of GDP +58.2%
1984 0 units per US$ of GDP -16.9%
1985 0 units per US$ of GDP +32.1%
1986 0 units per US$ of GDP -86.9%
1987 0 units per US$ of GDP +37.6%
1988 0 units per US$ of GDP -97.3%
1997 0 units per US$ of GDP -100.0%
2000 0 units per US$ of GDP —
2003 0 units per US$ of GDP —
2007 0 units per US$ of GDP —
2011 0 units per US$ of GDP —
2021 0 units per US$ of GDP -100.0%
2025 0 units per US$ of GDP —

Sierra Leone compared with similar countries

  • Sierra Leone's 0 units per US$ of GDP is below the median for low income countries, which is 0 units per US$ of GDP. (23 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1970s 0 units per US$ of GDP 0 units per US$ of GDP 0 units per US$ of GDP 1
1980s 0 units per US$ of GDP 0 units per US$ of GDP 0 units per US$ of GDP 9
1990s 0 units per US$ of GDP 0 units per US$ of GDP 0 units per US$ of GDP 1
2000s 0 units per US$ of GDP 0 units per US$ of GDP 0 units per US$ of GDP 3
2010s 0 units per US$ of GDP 0 units per US$ of GDP 0 units per US$ of GDP 1
2020s 0 units per US$ of GDP 0 units per US$ of GDP 0 units per US$ of GDP 2

Countries ranked near Sierra Leone

  1. 135 Dominican Republic 0 units per US$ of GDP compare
  2. 136 Venezuela, Bolivarian Republic of 0 units per US$ of GDP compare
  3. 137 Philippines 0 units per US$ of GDP compare
  4. 138 Andorra 0 units per US$ of GDP compare
  5. 138 American Samoa 0 units per US$ of GDP compare
  6. 138 Antigua and Barbuda 0 units per US$ of GDP compare
  7. 138 Azerbaijan 0 units per US$ of GDP compare
  8. 138 Burundi 0 units per US$ of GDP compare
  9. 138 Benin 0 units per US$ of GDP compare
  10. 138 Bangladesh 0 units per US$ of GDP compare
  11. 138 Bahamas 0 units per US$ of GDP compare
  12. 138 Barbados 0 units per US$ of GDP compare
  13. 138 Botswana 0 units per US$ of GDP compare
  14. 138 Central African Republic 0 units per US$ of GDP compare
  15. 138 Cameroon 0 units per US$ of GDP compare
  16. 138 Congo 0 units per US$ of GDP compare
  17. 138 Comoros 0 units per US$ of GDP compare
  18. 138 Cape Verde 0 units per US$ of GDP compare
  19. 138 Cuba 0 units per US$ of GDP compare
  20. 138 Cayman Islands 0 units per US$ of GDP
  21. 138 Djibouti 0 units per US$ of GDP compare
  22. 138 Dominica 0 units per US$ of GDP compare
  23. 138 Egypt 0 units per US$ of GDP compare
  24. 138 Gabon 0 units per US$ of GDP compare
  25. 138 Ghana 0 units per US$ of GDP compare
  26. 138 Gambia 0 units per US$ of GDP compare
  27. 138 Guinea-Bissau 0 units per US$ of GDP compare
  28. 138 Equatorial Guinea 0 units per US$ of GDP compare
  29. 138 Grenada 0 units per US$ of GDP compare
  30. 138 Guyana 0 units per US$ of GDP compare
  31. 138 Jamaica 0 units per US$ of GDP compare
  32. 138 Kiribati 0 units per US$ of GDP compare
  33. 138 Saint Kitts and Nevis 0 units per US$ of GDP
  34. 138 Liberia 0 units per US$ of GDP compare
  35. 138 Saint Lucia 0 units per US$ of GDP compare
  36. 138 Lesotho 0 units per US$ of GDP compare
  37. 138 Macau, China 0 units per US$ of GDP compare
  38. 138 Monaco 0 units per US$ of GDP compare
  39. 138 Marshall Islands 0 units per US$ of GDP compare
  40. 138 Mongolia 0 units per US$ of GDP compare
  41. 138 Northern Mariana Islands 0 units per US$ of GDP
  42. 138 Mozambique 0 units per US$ of GDP compare
  43. 138 Mauritania 0 units per US$ of GDP compare
  44. 138 Mauritius 0 units per US$ of GDP compare
  45. 138 Malawi 0 units per US$ of GDP compare
  46. 138 Niger 0 units per US$ of GDP compare
  47. 138 Nicaragua 0 units per US$ of GDP compare
  48. 138 Naoero 0 units per US$ of GDP compare
  49. 138 Palau 0 units per US$ of GDP
  50. 138 Papua New Guinea 0 units per US$ of GDP compare
  51. 138 Rwanda 0 units per US$ of GDP compare
  52. 138 Senegal 0 units per US$ of GDP compare
  53. 138 Solomon Islands 0 units per US$ of GDP compare
  54. 138 Somalia 0 units per US$ of GDP compare
  55. 138 Sao Tome and Principe 0 units per US$ of GDP compare
  56. 138 Eswatini 0 units per US$ of GDP compare
  57. 138 Turks and Caicos Islands 0 units per US$ of GDP
  58. 138 Togo 0 units per US$ of GDP compare
  59. 138 Turkmenistan 0 units per US$ of GDP compare
  60. 138 Tonga 0 units per US$ of GDP compare
  61. 138 Trinidad and Tobago 0 units per US$ of GDP compare
  62. 138 Tuvalu 0 units per US$ of GDP compare
  63. 138 Tanzania, United Republic of 0 units per US$ of GDP compare
  64. 138 Saint Vincent and the Grenadines 0 units per US$ of GDP compare
  65. 138 Zambia 0 units per US$ of GDP compare
  66. 138 Zimbabwe 0 units per US$ of GDP compare

See the full ranking of 202 places →

More health data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is pertussis - number of reported cases, per unit of gdp in Sierra Leone?
Pertussis - number of reported cases, per unit of gdp in Sierra Leone was 0 units per US$ of GDP in 2025, according to Statizoid (derived).
What is the highest pertussis - number of reported cases, per unit of gdp recorded in Sierra Leone?
The highest recorded value was 0 units per US$ of GDP in 1985.
What is the lowest pertussis - number of reported cases, per unit of gdp recorded in Sierra Leone?
The lowest recorded value was 0 units per US$ of GDP in 1997.
How does Sierra Leone rank for pertussis - number of reported cases, per unit of gdp?
Sierra Leone ranks 138th out of 201 countries with data for 2025.
Is pertussis - number of reported cases, per unit of gdp rising or falling in Sierra Leone?
Over the last ten years it is down 100.0%. The long-run trend across the full record is volatile.
Where does this Sierra Leone data come from?
The figures come from Statizoid (derived), published as part of Pertussis - number of reported cases, per unit of GDP. Statizoid updates them automatically from the source API.

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Pertussis - number of reported cases, per unit of GDP in Sierra Leone. Statizoid, drawing on Statizoid (derived). Retrieved 16 September 2026, from https://health.statizoid.com/stat/pertussis-number-of-reported-cases-per-unit-of-gdp/sierra-leone/

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How this figure is calculated

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

Pertussis - number of reported cases ÷ GDP (current US$)

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 unit of GDP
Unit
units per US$ of GDP
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
202 places, 7,998 data points, 1974–2025
Last refreshed

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