How many years of comparable data are there for Chad and Yemen?

31 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.

Chad vs Yemen: Number of confirmed cases of tetanus, per square kilometre

Chad

0.0003 Cases per square kilometre

in 2023

Yemen

0.0002 Cases per square kilometre

in 2023

Chad rank

29th

Yemen rank

31st

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

Chad
Yemen

How they compare

Chad currently reports 0.0003 Cases per square kilometre against 0.0002 Cases per square kilometre in Yemen, a difference of 0.0001 Cases per square kilometre.

That makes Chad's figure about 1.1 times Yemen's.

The two have swapped places 14 times across 31 shared years of data; in 1975 it was Chad ahead.

Chad ranks 29th and Yemen ranks 31st of 203 countries.

Across the 6 decades both report, Chad averaged higher in 4 and Yemen in 2.

Head to head by decade

Decade	Chad	Yemen	Difference	Ahead
1970s	0.0016 Cases per square kilometre	0.0002 Cases per square kilometre	0.0014 Cases per square kilometre	Chad
1980s	0.0007 Cases per square kilometre	0.0011 Cases per square kilometre	0.0004 Cases per square kilometre	Yemen
1990s	0.0009 Cases per square kilometre	0.0001 Cases per square kilometre	0.0007 Cases per square kilometre	Chad
2000s	0.0001 Cases per square kilometre	0.0001 Cases per square kilometre	0 Cases per square kilometre	Chad
2010s	0.0001 Cases per square kilometre	0.0002 Cases per square kilometre	0 Cases per square kilometre	Yemen
2020s	0.0003 Cases per square kilometre	0.0002 Cases per square kilometre	0.0001 Cases per square kilometre	Chad

Averages of every year both report within each decade.

Frequently asked questions

Which has higher number of confirmed cases of tetanus, per square kilometre, Chad or Yemen?: Chad, at 0.0003 Cases per square kilometre against 0.0002 Cases per square kilometre in Yemen as of 2023.
What is the difference in number of confirmed cases of tetanus, per square kilometre between Chad and Yemen?: 0.0001 Cases per square kilometre, with Chad ahead.
How many years of comparable data are there for Chad and Yemen?: 31 years are reported by both, from 1975 to 2023.
How do Chad and Yemen rank globally for number of confirmed cases of tetanus, per square kilometre?: Chad ranks 29th and Yemen ranks 31st 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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Chad vs Yemen: 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/chad/yemen-rep/

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<a href="https://reference.statizoid.com/compare/number-of-confirmed-cases-of-tetanus-per-square-kilometre/chad/yemen-rep/">Chad vs Yemen: 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.