How many years of comparable data are there for Bulgaria and Samoa?

33 years are reported by both, from 1975 to 2023.

Where does this data come from?

Statizoid (derived), published as Number of confirmed cases of tetanus, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Samoa: Number of confirmed cases of tetanus, per square kilometre

Bulgaria

0 Cases per square kilometre

in 2023

Samoa

0 Cases per square kilometre

in 2023

Bulgaria rank

110th

Samoa rank

110th

Number of confirmed cases of tetanus, per square kilometre over time

Bulgaria
Samoa

How they compare

Bulgaria currently reports 0 Cases per square kilometre against 0 Cases per square kilometre in Samoa, a difference of 0 Cases per square kilometre.

The two have swapped places 10 times across 33 shared years of data; in 1975 it was Samoa ahead.

Bulgaria ranks 110th and Samoa ranks 110th of 203 countries.

Across the 6 decades both report, Bulgaria averaged higher in 3 and Samoa in 2.

Head to head by decade

Decade	Bulgaria	Samoa	Difference	Ahead
1970s	0.0002 Cases per square kilometre	0.0025 Cases per square kilometre	0.0023 Cases per square kilometre	Samoa
1980s	0.0001 Cases per square kilometre	0 Cases per square kilometre	0.0001 Cases per square kilometre	Bulgaria
1990s	0.0001 Cases per square kilometre	0 Cases per square kilometre	0.0001 Cases per square kilometre	Bulgaria
2000s	0 Cases per square kilometre	0.0001 Cases per square kilometre	0.0001 Cases per square kilometre	Samoa
2010s	0 Cases per square kilometre	0 Cases per square kilometre	0 Cases per square kilometre	Bulgaria
2020s	0 Cases per square kilometre	0 Cases per square kilometre	0 Cases per square kilometre	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher number of confirmed cases of tetanus, per square kilometre, Bulgaria or Samoa?: Bulgaria, at 0 Cases per square kilometre against 0 Cases per square kilometre in Samoa as of 2023.
What is the difference in number of confirmed cases of tetanus, per square kilometre between Bulgaria and Samoa?: 0 Cases per square kilometre, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Samoa?: 33 years are reported by both, from 1975 to 2023.
How do Bulgaria and Samoa rank globally for number of confirmed cases of tetanus, per square kilometre?: Bulgaria ranks 110th and Samoa ranks 110th of 203 countries.
Where does this data come from?: Statizoid (derived), published as Number of confirmed cases of tetanus, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Samoa: Number of confirmed cases of tetanus, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://reference.statizoid.com/compare/number-of-confirmed-cases-of-tetanus-per-square-kilometre/bulgaria/samoa/

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<a href="https://reference.statizoid.com/compare/number-of-confirmed-cases-of-tetanus-per-square-kilometre/bulgaria/samoa/">Bulgaria vs Samoa: Number of confirmed cases of tetanus, per square kilometre</a> — Statizoid

About this data

Indicator: Number of confirmed cases of tetanus, per square kilometre
Unit: Cases per square kilometre
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 203 places, 7,748 data points, 1974–2023
Last refreshed: 12 September 2026

Number of confirmed cases of tetanus 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.