Iran, Islamic Republic of vs Nigeria: Population ages 65 and above, female

Iran, Islamic Republic of
4.08 million
in 2025
Nigeria
3.83 million
in 2025
Iran, Islamic Republic of rank
23rd
Nigeria rank
25th

Population ages 65 and above, female over time

  • Iran, Islamic Republic of
  • Nigeria
01.0M2.0M3.0M4.0M196019922025

How they compare

Iran, Islamic Republic of currently reports 4.08 million against 3.83 million in Nigeria, a difference of 254,210.

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

The two have swapped places 1 time across 66 shared years of data; in 1960 it was Nigeria ahead.

Iran, Islamic Republic of ranks 23rd and Nigeria ranks 25th of 218 countries.

Across the 7 decades both report, Iran, Islamic Republic of averaged higher in 1 and Nigeria in 6.

Head to head by decade

Decade Iran, Islamic Republic of Nigeria Difference Ahead
1960s 468,297 939,305 471,008 Nigeria
1970s 575,554 1.14 million 561,135 Nigeria
1980s 768,771 1.46 million 689,561 Nigeria
1990s 1.20 million 1.84 million 641,060 Nigeria
2000s 1.77 million 2.30 million 528,222 Nigeria
2010s 2.57 million 2.95 million 371,405 Nigeria
2020s 3.63 million 3.58 million 50,185 Iran, Islamic Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population ages 65 and above, female, Iran, Islamic Republic of or Nigeria?
Iran, Islamic Republic of, at 4.08 million against 3.83 million in Nigeria as of 2025.
What is the difference in population ages 65 and above, female between Iran, Islamic Republic of and Nigeria?
254,210, with Iran, Islamic Republic of ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Nigeria?
66 years are reported by both, from 1960 to 2025.
How do Iran, Islamic Republic of and Nigeria rank globally for population ages 65 and above, female?
Iran, Islamic Republic of ranks 23rd and Nigeria ranks 25th of 218 countries.
Where does this data come from?
World Population Prospects, United Nations (UN), publisher: UN Population Division, published as Population ages 65 and above, 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 Nigeria: Population ages 65 and above, female. Statizoid, drawing on World Population Prospects, United Nations (UN), publisher: UN Population Division. Retrieved 05 September 2026, from https://health.statizoid.com/compare/population-ages-65-and-above-female/iran-islamic-rep/nigeria/

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About this data

Indicator
Population ages 65 and above, female
Source
World Population Prospects, United Nations (UN), publisher: UN Population Division
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
266 places, 17,526 data points, 1960–2025
Last refreshed

Female population 65 years of age or older. Population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship.