Iran (Islamic Republic of) Population Pyramid 1975
Iran (Islamic Republic of) in 1975
As of 1975, Iran (Islamic Republic of) counted 33,802,973 inhabitants. That is 35.0% more than in 1965, when the population stood at 25,036,978.
The median age was 18.1 years, and for every 100 people of working age (15–64) there were 80.7 children under 15 and 6.3 people aged 65 or over. The pyramid is expansive: its wide base of young cohorts reflects high fertility and a rapidly growing population.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
In 2023 women in Iran (Islamic Republic of) had on average 1.70 children, below the replacement level of 2.1.
Source: World Bank World Development Indicators, latest available year.
Life expectancy at birth was 77.7 years in 2023: 79.6 for women and 75.8 for men.
Source: World Bank World Development Indicators, latest available year.
3,828,929 immigrants live in Iran (Islamic Republic of), 4.2% of the population.
| Afghanistan | 3,752,317 |
| Iraq | 55,516 |
| Pakistan | 12,822 |
| Azerbaijan | 4,882 |
| Turkmenistan | 1,992 |
1,733,031 people born in Iran (Islamic Republic of) live in other countries.
| United States of America | 431,405 |
| Germany | 283,454 |
| Canada | 205,304 |
| Turkey | 199,735 |
| United Kingdom | 124,200 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Iran (Islamic Republic of) | 33,802,973 | 18.1 | |
| Nepal | 13,870,695 | 19.7 | |
| Sri Lanka | 13,548,984 | 20.7 | |
| Afghanistan | 12,773,954 | 17.5 | |
| Bhutan | 365,791 | 19.1 |





