Iran vs Thailand: World population over the last 12000 years and un projection until

Iran
90.61 million
in 2023
Thailand
71.70 million
in 2023
Iran rank
18th
Thailand rank
21st

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

  • Iran
  • Thailand
020.0M40.0M60.0M80.0M100.0M100015112023

How they compare

Iran currently reports 90.61 million against 71.70 million in Thailand, a difference of 18.91 million.

That makes Iran's figure about 1.3 times Thailand's.

The two have swapped places 4 times across 241 shared years of data; in 1000 it was Iran ahead.

Iran ranks 18th and Thailand ranks 21st of 239 countries.

Across the 40 decades both report, Iran averaged higher in 33 and Thailand in 7.

Head to head by decade

Decade Iran Thailand Difference Ahead
1000s 4.50 million 1.01 million 3.49 million Iran
1100s 4.75 million 1.21 million 3.54 million Iran
1200s 5.00 million 1.41 million 3.59 million Iran
1300s 3.50 million 1.62 million 1.88 million Iran
1400s 3.75 million 1.82 million 1.93 million Iran
1500s 4.00 million 2.02 million 1.98 million Iran
1600s 5.00 million 2.27 million 2.73 million Iran
1700s 5.00 million 2.52 million 2.48 million Iran
1710s 5.21 million 2.54 million 2.67 million Iran
1720s 5.32 million 2.59 million 2.73 million Iran
1730s 5.43 million 2.64 million 2.79 million Iran
1740s 5.55 million 2.69 million 2.86 million Iran
1750s 5.67 million 2.74 million 2.93 million Iran
1760s 5.79 million 2.79 million 3.00 million Iran
1770s 5.91 million 2.84 million 3.07 million Iran
1780s 6.03 million 2.89 million 3.14 million Iran
1790s 6.16 million 2.95 million 3.21 million Iran
1800s 6.12 million 3.32 million 2.80 million Iran
1810s 6.40 million 4.14 million 2.26 million Iran
1820s 6.69 million 4.74 million 1.95 million Iran
1830s 7.00 million 4.93 million 2.07 million Iran
1840s 7.32 million 5.12 million 2.20 million Iran
1850s 7.71 million 5.35 million 2.35 million Iran
1860s 8.18 million 5.64 million 2.55 million Iran
1870s 8.60 million 6.00 million 2.60 million Iran
1880s 8.91 million 6.46 million 2.46 million Iran
1890s 9.55 million 7.02 million 2.53 million Iran
1900s 10.58 million 7.84 million 2.73 million Iran
1910s 10.22 million 9.08 million 1.13 million Iran
1920s 10.74 million 11.08 million 337,541 Thailand
1930s 13.86 million 13.94 million 78,080 Thailand
1940s 15.87 million 17.72 million 1.85 million Thailand
1950s 18.55 million 23.12 million 4.57 million Thailand
1960s 24.74 million 30.78 million 6.04 million Thailand
1970s 33.49 million 40.39 million 6.91 million Thailand
1980s 48.61 million 49.78 million 1.18 million Thailand
1990s 62.12 million 58.61 million 3.50 million Iran
2000s 71.27 million 65.67 million 5.60 million Iran
2010s 82.17 million 70.25 million 11.92 million Iran
2020s 89.08 million 71.70 million 17.38 million Iran

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, Iran or Thailand?
Iran, at 90.61 million against 71.70 million in Thailand as of 2023.
What is the difference in world population over the last 12000 years and un projection until between Iran and Thailand?
18.91 million, with Iran ahead.
How many years of comparable data are there for Iran and Thailand?
241 years are reported by both, from 1000 to 2023.
How do Iran and Thailand rank globally for world population over the last 12000 years and un projection until?
Iran ranks 18th and Thailand ranks 21st 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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Iran vs Thailand: 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/iran-islamic-rep/thailand/

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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