Democratic Republic of Congo vs Iran: World population over the last 12000 years and un projection until

Democratic Republic of Congo
105.79 million
in 2023
Iran
90.61 million
in 2023
Democratic Republic of Congo rank
16th
Iran rank
18th

World population over the last 12000 years and un projection until over time

  • Democratic Republic of Congo
  • Iran
025.0M50.0M75.0M100.0M100015112023

How they compare

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

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

The two have swapped places 5 times across 241 shared years of data; in 1000 it was Iran ahead.

Democratic Republic of Congo ranks 16th and Iran ranks 18th of 239 countries.

Across the 40 decades both report, Democratic Republic of Congo averaged higher in 21 and Iran in 19.

Head to head by decade

Decade Democratic Republic of Congo Iran Difference Ahead
1000s 2.94 million 4.50 million 1.56 million Iran
1100s 3.43 million 4.75 million 1.32 million Iran
1200s 3.93 million 5.00 million 1.07 million Iran
1300s 4.42 million 3.50 million 916,000 Democratic Republic of Congo
1400s 5.15 million 3.75 million 1.40 million Democratic Republic of Congo
1500s 5.89 million 4.00 million 1.89 million Democratic Republic of Congo
1600s 6.26 million 5.00 million 1.26 million Democratic Republic of Congo
1700s 6.62 million 5.00 million 1.62 million Democratic Republic of Congo
1710s 6.68 million 5.21 million 1.46 million Democratic Republic of Congo
1720s 6.72 million 5.32 million 1.40 million Democratic Republic of Congo
1730s 6.76 million 5.43 million 1.33 million Democratic Republic of Congo
1740s 6.81 million 5.55 million 1.26 million Democratic Republic of Congo
1750s 6.86 million 5.67 million 1.20 million Democratic Republic of Congo
1760s 6.92 million 5.79 million 1.13 million Democratic Republic of Congo
1770s 6.97 million 5.91 million 1.06 million Democratic Republic of Congo
1780s 7.03 million 6.03 million 998,930 Democratic Republic of Congo
1790s 7.10 million 6.16 million 935,600 Democratic Republic of Congo
1800s 5.16 million 6.12 million 958,362 Iran
1810s 5.17 million 6.40 million 1.24 million Iran
1820s 5.55 million 6.69 million 1.14 million Iran
1830s 6.47 million 7.00 million 525,583 Iran
1840s 7.56 million 7.32 million 238,131 Democratic Republic of Congo
1850s 8.24 million 7.71 million 529,444 Democratic Republic of Congo
1860s 8.52 million 8.18 million 338,262 Democratic Republic of Congo
1870s 9.13 million 8.60 million 539,139 Democratic Republic of Congo
1880s 9.72 million 8.91 million 806,842 Democratic Republic of Congo
1890s 9.74 million 9.55 million 186,066 Democratic Republic of Congo
1900s 9.06 million 10.58 million 1.51 million Iran
1910s 8.36 million 10.22 million 1.85 million Iran
1920s 8.60 million 10.74 million 2.14 million Iran
1930s 9.75 million 13.86 million 4.11 million Iran
1940s 11.22 million 15.87 million 4.65 million Iran
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 Congo

Averages of every year both report within each decade.

Frequently asked questions

Which has higher world population over the last 12000 years and un projection until, Democratic Republic of Congo or Iran?
Democratic Republic of Congo, at 105.79 million against 90.61 million in Iran as of 2023.
What is the difference in world population over the last 12000 years and un projection until between Democratic Republic of Congo and Iran?
15.18 million, with Democratic Republic of Congo ahead.
How many years of comparable data are there for Democratic Republic of Congo and Iran?
241 years are reported by both, from 1000 to 2023.
How do Democratic Republic of Congo and Iran rank globally for world population over the last 12000 years and un projection until?
Democratic Republic of Congo ranks 16th and Iran ranks 18th of 239 countries.
Where does this data come from?
Our World in Data, published as World population over the last 12000 years and un projection until 2100. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Democratic Republic of Congo vs Iran: World population over the last 12000 years and un projection until. Statizoid, drawing on Our World in Data. Retrieved 11 November 2026, from https://population.statizoid.com/compare/world-population-over-the-last-12000-years-and-un-projection-until-2100/congo-dem-rep/iran-islamic-rep/

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About this data

Indicator
World population over the last 12000 years and un projection until 2100
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
239 places, 51,002 data points, 1000–2023
Last refreshed