How many years of comparable data are there for Congo and Portugal?

40 years are reported by both, from 1974 to 2023.

Where does this data come from?

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

Congo vs Portugal: Diphtheria - number of reported cases, per unit of GDP

Congo

0 units per US$ of GDP

in 2023

Portugal

0 units per US$ of GDP

in 2025

Congo rank

60th

Portugal rank

60th

Diphtheria - number of reported cases, per unit of GDP over time

Congo
Portugal

How they compare

Congo currently reports 0 units per US$ of GDP against 0 units per US$ of GDP in Portugal, a difference of 0 units per US$ of GDP.

The two have swapped places 4 times across 40 shared years of data; in 1974 it was Portugal ahead.

Congo ranks 60th and Portugal ranks 60th of 201 countries.

Across the 6 decades both report, Congo averaged higher in 2 and Portugal in 2.

Head to head by decade

Decade	Congo	Portugal	Difference	Ahead
1970s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Portugal
1980s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Portugal
1990s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	—
2000s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	—
2010s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Congo
2020s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Congo

Averages of every year both report within each decade.

Frequently asked questions

Which has higher diphtheria - number of reported cases, per unit of gdp, Congo or Portugal?: Congo, at 0 units per US$ of GDP against 0 units per US$ of GDP in Portugal as of 2023.
What is the difference in diphtheria - number of reported cases, per unit of gdp between Congo and Portugal?: 0 units per US$ of GDP, with Congo ahead.
How many years of comparable data are there for Congo and Portugal?: 40 years are reported by both, from 1974 to 2023.
How do Congo and Portugal rank globally for diphtheria - number of reported cases, per unit of gdp?: Congo ranks 60th and Portugal ranks 60th of 201 countries.
Where does this data come from?: Statizoid (derived), published as Diphtheria - number of reported cases, per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Congo vs Portugal: Diphtheria - number of reported cases, per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 10 September 2026, from https://health.statizoid.com/compare/diphtheria-number-of-reported-cases-per-unit-of-gdp/congo-rep/portugal/

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<a href="https://health.statizoid.com/compare/diphtheria-number-of-reported-cases-per-unit-of-gdp/congo-rep/portugal/">Congo vs Portugal: Diphtheria - number of reported cases, per unit of GDP</a> — Statizoid

About this data

Indicator: Diphtheria - 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, 8,002 data points, 1974–2025
Last refreshed: 31 August 2026

Diphtheria - 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.