Iran, Islamic Republic of vs Viet Nam: Population in urban agglomerations of more than 1 million
Iran, Islamic Republic of
23.31 million
in 2025
Viet Nam
20.22 million
in 2025
Iran, Islamic Republic of rank
18th
Viet Nam rank
20th
Population in urban agglomerations of more than 1 million over time
- Iran, Islamic Republic of
- Viet Nam
How they compare
Iran, Islamic Republic of currently reports 23.31 million against 20.22 million in Viet Nam, a difference of 3.09 million.
That makes Iran, Islamic Republic of's figure about 1.2 times Viet Nam's.
Across all 66 years both countries report, Iran, Islamic Republic of has been ahead every year.
Iran, Islamic Republic of ranks 18th and Viet Nam ranks 20th of 121 countries.
Iran, Islamic Republic of has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Iran, Islamic Republic of | Viet Nam | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 4.21 million | 2.57 million | 1.64 million | Iran, Islamic Republic of |
| 1970s | 7.01 million | 3.75 million | 3.26 million | Iran, Islamic Republic of |
| 1980s | 11.03 million | 4.77 million | 6.26 million | Iran, Islamic Republic of |
| 1990s | 14.33 million | 6.25 million | 8.08 million | Iran, Islamic Republic of |
| 2000s | 17.19 million | 9.27 million | 7.92 million | Iran, Islamic Republic of |
| 2010s | 20.28 million | 14.03 million | 6.25 million | Iran, Islamic Republic of |
| 2020s | 22.59 million | 18.78 million | 3.81 million | Iran, Islamic Republic of |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population in urban agglomerations of more than 1 million, Iran, Islamic Republic of or Viet Nam?
- Iran, Islamic Republic of, at 23.31 million against 20.22 million in Viet Nam as of 2025.
- What is the difference in population in urban agglomerations of more than 1 million between Iran, Islamic Republic of and Viet Nam?
- 3.09 million, with Iran, Islamic Republic of ahead.
- How many years of comparable data are there for Iran, Islamic Republic of and Viet Nam?
- 66 years are reported by both, from 1960 to 2025.
- How do Iran, Islamic Republic of and Viet Nam rank globally for population in urban agglomerations of more than 1 million?
- Iran, Islamic Republic of ranks 18th and Viet Nam ranks 20th of 121 countries.
- Where does this data come from?
- World Urbanization Prospects 2018, United Nations (UN), published as Population in urban agglomerations of more than 1 million. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Population in urban agglomerations of more than one million is the country's population living in metropolitan areas that in 2018 had a population of more than one million people.