What is the difference in pertussis - number of reported cases, annual growth rate between Bulgaria and Sao Tome and Principe?

0.45 % change on previous year, with Bulgaria ahead.

How many years of comparable data are there for Bulgaria and Sao Tome and Principe?

6 years are reported by both, from 1982 to 1988.

Where does this data come from?

Statizoid (derived), published as Pertussis - number of reported cases, annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Sao Tome and Principe: Pertussis - number of reported cases, annual growth rate

Bulgaria

-96.77 % change on previous year

in 2025

Sao Tome and Principe

-97.22 % change on previous year

in 1988

Bulgaria rank

112th

Sao Tome and Principe rank

113th

Pertussis - number of reported cases, annual growth rate over time

Bulgaria
Sao Tome and Principe

How they compare

Bulgaria currently reports -96.77 % change on previous year against -97.22 % change on previous year in Sao Tome and Principe, a difference of 0.45 % change on previous year.

The two have swapped places 3 times across 6 shared years of data; in 1982 it was Sao Tome and Principe ahead.

Bulgaria ranks 112th and Sao Tome and Principe ranks 113th of 191 countries.

Sao Tome and Principe has averaged higher in every one of the 1 decades both report.

Frequently asked questions

Which has higher pertussis - number of reported cases, annual growth rate, Bulgaria or Sao Tome and Principe?: Bulgaria, at -96.77 % change on previous year against -97.22 % change on previous year in Sao Tome and Principe as of 2025.
What is the difference in pertussis - number of reported cases, annual growth rate between Bulgaria and Sao Tome and Principe?: 0.45 % change on previous year, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Sao Tome and Principe?: 6 years are reported by both, from 1982 to 1988.
How do Bulgaria and Sao Tome and Principe rank globally for pertussis - number of reported cases, annual growth rate?: Bulgaria ranks 112th and Sao Tome and Principe ranks 113th of 191 countries.
Where does this data come from?: Statizoid (derived), published as Pertussis - number of reported cases, annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Sao Tome and Principe: Pertussis - number of reported cases, annual growth rate. Statizoid, drawing on Statizoid (derived). Retrieved 14 September 2026, from https://health.statizoid.com/compare/pertussis-number-of-reported-cases-annual-growth-rate/bulgaria/sao-tome-and-principe/

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About this data

Indicator: Pertussis - number of reported cases, annual growth rate
Unit: % change on previous year
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 204 places, 6,283 data points, 1975–2025
Last refreshed: 01 September 2026

The year-on-year percentage change in Pertussis - number of reported cases. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.