What is the difference in the global population hockey stick between Iran, Islamic Republic of and Viet Nam?

9.74 million people, with Viet Nam ahead.

How many years of comparable data are there for Iran, Islamic Republic of and Viet Nam?

241 years are reported by both, from 1000 to 2023.

Where does this data come from?

HYDE (2023); Gapminder (2022); UN WPP (2024) – with major processing by Our World in Data, published as The global population hockey stick. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran, Islamic Republic of vs Viet Nam: The global population hockey stick

Iran, Islamic Republic of

90.61 million people

in 2023

Viet Nam

100.35 million people

in 2023

Iran, Islamic Republic of rank

18th

Viet Nam rank

17th

The global population hockey stick over time

Iran, Islamic Republic of
Viet Nam

How they compare

Viet Nam currently reports 100.35 million people against 90.61 million people in Iran, Islamic Republic of, a difference of 9.74 million people.

That makes Viet Nam's figure about 1.1 times Iran, Islamic Republic of's.

The two have swapped places 1 time across 241 shared years of data; in 1000 it was Iran, Islamic Republic of ahead.

Iran, Islamic Republic of ranks 18th and Viet Nam ranks 17th of 239 countries.

Across the 40 decades both report, Iran, Islamic Republic of averaged higher in 23 and Viet Nam in 17.

Head to head by decade

Decade	Iran, Islamic Republic of	Viet Nam	Difference	Ahead
1000s	4.50 million people	800,000 people	3.70 million people	Iran, Islamic Republic of
1100s	4.75 million people	1.04 million people	3.71 million people	Iran, Islamic Republic of
1200s	5.00 million people	1.28 million people	3.72 million people	Iran, Islamic Republic of
1300s	3.50 million people	1.52 million people	1.98 million people	Iran, Islamic Republic of
1400s	3.75 million people	1.76 million people	1.99 million people	Iran, Islamic Republic of
1500s	4.00 million people	2.00 million people	2.00 million people	Iran, Islamic Republic of
1600s	5.00 million people	2.50 million people	2.50 million people	Iran, Islamic Republic of
1700s	5.00 million people	3.00 million people	2.00 million people	Iran, Islamic Republic of
1710s	5.21 million people	3.30 million people	1.92 million people	Iran, Islamic Republic of
1720s	5.32 million people	3.59 million people	1.73 million people	Iran, Islamic Republic of
1730s	5.43 million people	3.89 million people	1.55 million people	Iran, Islamic Republic of
1740s	5.55 million people	4.18 million people	1.37 million people	Iran, Islamic Republic of
1750s	5.67 million people	4.48 million people	1.19 million people	Iran, Islamic Republic of
1760s	5.79 million people	4.78 million people	1.01 million people	Iran, Islamic Republic of
1770s	5.91 million people	5.07 million people	837,030 people	Iran, Islamic Republic of
1780s	6.03 million people	5.37 million people	666,040 people	Iran, Islamic Republic of
1790s	6.16 million people	5.66 million people	497,670 people	Iran, Islamic Republic of
1800s	6.12 million people	4.48 million people	1.64 million people	Iran, Islamic Republic of
1810s	6.40 million people	5.73 million people	667,525 people	Iran, Islamic Republic of
1820s	6.69 million people	6.45 million people	242,500 people	Iran, Islamic Republic of
1830s	7.00 million people	6.28 million people	720,435 people	Iran, Islamic Republic of
1840s	7.32 million people	6.10 million people	1.22 million people	Iran, Islamic Republic of
1850s	7.71 million people	6.85 million people	859,311 people	Iran, Islamic Republic of
1860s	8.18 million people	9.04 million people	854,774 people	Viet Nam
1870s	8.60 million people	10.62 million people	2.03 million people	Viet Nam
1880s	8.91 million people	10.95 million people	2.04 million people	Viet Nam
1890s	9.55 million people	11.28 million people	1.73 million people	Viet Nam
1900s	10.58 million people	14.68 million people	4.10 million people	Viet Nam
1910s	10.22 million people	18.77 million people	8.55 million people	Viet Nam
1920s	10.74 million people	18.03 million people	7.29 million people	Viet Nam
1930s	13.86 million people	18.18 million people	4.32 million people	Viet Nam
1940s	15.87 million people	21.60 million people	5.74 million people	Viet Nam
1950s	18.55 million people	28.01 million people	9.46 million people	Viet Nam
1960s	24.74 million people	36.60 million people	11.87 million people	Viet Nam
1970s	33.49 million people	46.19 million people	12.71 million people	Viet Nam
1980s	48.61 million people	58.33 million people	9.72 million people	Viet Nam
1990s	62.12 million people	71.21 million people	9.10 million people	Viet Nam
2000s	71.27 million people	81.23 million people	9.96 million people	Viet Nam
2010s	82.17 million people	92.31 million people	10.14 million people	Viet Nam
2020s	89.08 million people	99.26 million people	10.18 million people	Viet Nam

Averages of every year both report within each decade.

Frequently asked questions

Which has higher the global population hockey stick, Iran, Islamic Republic of or Viet Nam?: Viet Nam, at 100.35 million people against 90.61 million people in Iran, Islamic Republic of as of 2023.
What is the difference in the global population hockey stick between Iran, Islamic Republic of and Viet Nam?: 9.74 million people, with Viet Nam ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Viet Nam?: 241 years are reported by both, from 1000 to 2023.
How do Iran, Islamic Republic of and Viet Nam rank globally for the global population hockey stick?: Iran, Islamic Republic of ranks 18th and Viet Nam ranks 17th of 239 countries.
Where does this data come from?: HYDE (2023); Gapminder (2022); UN WPP (2024) – with major processing by Our World in Data, published as The global population hockey stick. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran, Islamic Republic of vs Viet Nam: The global population hockey stick. Statizoid, drawing on HYDE (2023); Gapminder (2022); UN WPP (2024) – with major processing by Our World in Data. Retrieved 10 September 2026, from https://population.statizoid.com/compare/world-population-over-the-last-12000-years-and-un-projection-until-2100/iran-islamic-rep/viet-nam/

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<a href="https://population.statizoid.com/compare/world-population-over-the-last-12000-years-and-un-projection-until-2100/iran-islamic-rep/viet-nam/">Iran, Islamic Republic of vs Viet Nam: The global population hockey stick</a> — Statizoid

About this data

Indicator: The global population hockey stick
Unit: people
Source: HYDE (2023); Gapminder (2022); UN WPP (2024) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 239 places, 51,002 data points, 1000–2023
Last refreshed: 28 August 2026

Population by country, available from 10,000 BCE to 2023, based on data and estimates from different sources.