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

25 years are reported by both, from 1990 to 2015.

Where does this data come from?

UNESCO Institute for Statistics, published as Population, age 4, female. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran, Islamic Republic of vs Viet Nam: Population, age 4, female

Iran, Islamic Republic of

727,696

in 2015

Viet Nam

786,157

in 2015

Iran, Islamic Republic of rank

15th

Viet Nam rank

14th

Population, age 4, female over time

Iran, Islamic Republic of
Viet Nam

How they compare

Viet Nam currently reports 786,157 against 727,696 in Iran, Islamic Republic of, a difference of 58,461.

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

The two have swapped places 1 time across 25 shared years of data; in 1990 it was Iran, Islamic Republic of ahead.

Iran, Islamic Republic of ranks 15th and Viet Nam ranks 14th of 191 countries.

Viet Nam has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Iran, Islamic Republic of	Viet Nam	Difference	Ahead
1990s	854,756	918,439	63,682	Viet Nam
2000s	578,370	774,794	196,423	Viet Nam
2010s	693,947	803,229	109,282	Viet Nam

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population, age 4, female, Iran, Islamic Republic of or Viet Nam?: Viet Nam, at 786,157 against 727,696 in Iran, Islamic Republic of as of 2015.
What is the difference in population, age 4, female between Iran, Islamic Republic of and Viet Nam?: 58,461, with Viet Nam ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Viet Nam?: 25 years are reported by both, from 1990 to 2015.
How do Iran, Islamic Republic of and Viet Nam rank globally for population, age 4, female?: Iran, Islamic Republic of ranks 15th and Viet Nam ranks 14th of 191 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Population, age 4, female. 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: Population, age 4, female. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 20 August 2026, from https://education.statizoid.com/compare/population-age-4-female/iran-islamic-rep/viet-nam/

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About this data

Indicator: Population, age 4, female
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 191 places, 4,605 data points, 1990–2015
Last refreshed: 07 August 2026

Age population, female refers to female population at the specified age level, as estimated by the UNESCO Institute for Statistics.