How many years of comparable data are there for China and United States?

46 years are reported by both, from 1974 to 2022.

Where does this data come from?

Statizoid (derived), published as Diphtheria - number of reported cases, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

China vs United States: Diphtheria - number of reported cases, per square kilometre

China

0 units per square kilometre

in 2022

United States

0 units per square kilometre

in 2023

China rank

57th

United States rank

56th

Diphtheria - number of reported cases, per square kilometre over time

China
United States

How they compare

United States currently reports 0 units per square kilometre against 0 units per square kilometre in China, a difference of 0 units per square kilometre.

The two have swapped places 3 times across 46 shared years of data; in 1974 it was China ahead.

China ranks 57th and United States ranks 56th of 204 countries.

Across the 6 decades both report, China averaged higher in 4 and United States in 2.

Head to head by decade

Decade	China	United States	Difference	Ahead
1970s	0.0028 units per square kilometre	0 units per square kilometre	0.0027 units per square kilometre	China
1980s	0.0004 units per square kilometre	0 units per square kilometre	0.0004 units per square kilometre	China
1990s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	China
2000s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	China
2010s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	United States
2020s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	United States

Averages of every year both report within each decade.

Frequently asked questions

Which has higher diphtheria - number of reported cases, per square kilometre, China or United States?: United States, at 0 units per square kilometre against 0 units per square kilometre in China as of 2023.
What is the difference in diphtheria - number of reported cases, per square kilometre between China and United States?: 0 units per square kilometre, with United States ahead.
How many years of comparable data are there for China and United States?: 46 years are reported by both, from 1974 to 2022.
How do China and United States rank globally for diphtheria - number of reported cases, per square kilometre?: China ranks 57th and United States ranks 56th of 204 countries.
Where does this data come from?: Statizoid (derived), published as Diphtheria - number of reported cases, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

China vs United States: Diphtheria - number of reported cases, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 11 November 2026, from https://health.statizoid.com/compare/diphtheria-number-of-reported-cases-per-square-kilometre/china/united-states/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under Derived by Statizoid from the sources named on the page; please keep the attribution.

<a href="https://health.statizoid.com/compare/diphtheria-number-of-reported-cases-per-square-kilometre/china/united-states/">China vs United States: Diphtheria - number of reported cases, per square kilometre</a> — Statizoid

About this data

Indicator: Diphtheria - 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, 7,917 data points, 1974–2023
Last refreshed: 31 August 2026

Diphtheria - 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.