Democratic Republic of the Congo vs Iran: Comparison of world population projections

Democratic Republic of the Congo
105.79 million
in 2023
Iran
90.61 million
in 2023
Democratic Republic of the Congo rank
15th
Iran rank
17th

Comparison of world population projections over time

  • Democratic Republic of the Congo
  • Iran
20.0M40.0M60.0M80.0M100.0M195019862023

How they compare

Democratic Republic of the Congo currently reports 105.79 million against 90.61 million in Iran, a difference of 15.18 million.

That makes Democratic Republic of the Congo's figure about 1.2 times Iran's.

The two have swapped places 1 time across 74 shared years of data; in 1950 it was Iran ahead.

Democratic Republic of the Congo ranks 15th and Iran ranks 17th of 229 countries.

Across the 8 decades both report, Democratic Republic of the Congo averaged higher in 1 and Iran in 7.

Head to head by decade

Decade Democratic Republic of the Congo Iran Difference Ahead
1950s 13.53 million 18.55 million 5.02 million Iran
1960s 17.29 million 24.74 million 7.45 million Iran
1970s 22.81 million 33.49 million 10.68 million Iran
1980s 30.87 million 48.61 million 17.73 million Iran
1990s 42.91 million 62.12 million 19.21 million Iran
2000s 58.14 million 71.27 million 13.13 million Iran
2010s 80.19 million 82.17 million 1.98 million Iran
2020s 100.83 million 89.08 million 11.75 million Democratic Republic of the Congo

Averages of every year both report within each decade.

Frequently asked questions

Which has higher comparison of world population projections, Democratic Republic of the Congo or Iran?
Democratic Republic of the Congo, at 105.79 million against 90.61 million in Iran as of 2023.
What is the difference in comparison of world population projections between Democratic Republic of the Congo and Iran?
15.18 million, with Democratic Republic of the Congo ahead.
How many years of comparable data are there for Democratic Republic of the Congo and Iran?
74 years are reported by both, from 1950 to 2023.
How do Democratic Republic of the Congo and Iran rank globally for comparison of world population projections?
Democratic Republic of the Congo ranks 15th and Iran ranks 17th of 229 countries.
Where does this data come from?
Our World in Data, published as Comparison of world population projections. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Democratic Republic of the Congo vs Iran: Comparison of world population projections. Statizoid, drawing on Our World in Data. Retrieved 17 August 2026, from https://population.statizoid.com/compare/comparison-of-world-population-projections/congo-dem-rep/iran-islamic-rep/

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About this data

Indicator
Comparison of world population projections
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,464 data points, 1950–2023
Last refreshed