Iran Generation Breakdown 2026: How Many Millennials, Gen Z, and Boomers?

Q: What is the largest generation in Iran?

Millennials are the largest generation in Iran, with 26,318,064 people (28.2%).

Q: How many Gen Z, Millennials and Baby Boomers are in Iran?

Iran has 20,018,474 Gen Z, 26,318,064 Millennials and 9,842,569 Baby Boomers.

Q: What share of Iran is Gen Z, and how does it rank?

Gen Z is 21.5% of Iran, the 65th-lowest Gen Z share of the 194 countries.

Q: How do the youngest and oldest generations compare in Iran?

The youngest generations, Gen Alpha and Gen Beta, together number 17,976,192 in Iran, versus 1,102,524 in the oldest two, the Silent and Greatest generations.

Q: How does the largest generation in Iran compare with the world?

Millennials are 28.2% of Iran, compared with 22.5% worldwide.

In Iran, Millennials are the largest generation: 26,318,064 people, 28.2% of the population.

Population on 1 July 2026, UN World Population Prospects 2024 (medium variant). See the population pyramid for Iran.

Gen Beta — 1,667,068 (1.8%)
Gen Alpha — 16,309,124 (17.5%)
Gen Z — 20,018,474 (21.5%)
Millennials — 26,318,064 (28.2%)
Gen X — 17,910,674 (19.2%)
Baby Boomers — 9,842,569 (10.6%)
Silent Generation — 1,100,854 (1.2%)
Greatest Generation — 1,670 (<0.1%)

93,168,498

people on 1 July 2026

28.2%

Millennials — the largest generation

21.5%

Gen Z share, the 65th-lowest of the 194 countries

17,976,192

under 14 (Gen Alpha + Gen Beta)

1,102,524

aged 81+ (Silent + Greatest)

Generation Population Distribution - Iran

Gen Beta: 1.8%

Gen Alpha: 17.5%

Gen Z: 21.5%

Millennials: 28.2%

Gen X: 19.2%

Baby Boomers: 10.6%

Silent Generation: 1.2%

Greatest Generation: <0.1%

Generation Breakdown by Population - Iran

Total Population: 93,168,498

Generation	Birth Years	Age Range (2026)	Population	% of Total	Male	Female
Gen Beta	2025–2039	0–1 years	1,667,068	1.8%	853,774	813,294
Gen Alpha	2013–2024	2–13 years	16,309,124	17.5%	8,377,328	7,931,796
Gen Z	1997–2012	14–29 years	20,018,474	21.5%	10,249,290	9,769,184
Millennials	1981–1996	30–45 years	26,318,064	28.2%	13,383,107	12,934,956
Gen X	1965–1980	46–61 years	17,910,674	19.2%	9,100,984	8,809,690
Baby Boomers	1946–1964	62–80 years	9,842,569	10.6%	4,874,742	4,967,826
Silent Generation	1928–1945	81–98 years	1,100,854	1.2%	471,988	628,866
Greatest Generation	before 1928	99+ years	1,670	<0.1%	352	1,319
Total			93,168,498	100.0%	47,311,566	45,856,932

Population on 1 July 2026, UN World Population Prospects 2024 (medium variant). Generation definitions: Pew Research Center (Silent–Gen Z); McCrindle Research (Gen Alpha, Gen Beta).

Iran Generations: Frequently Asked Questions

Population on 1 July 2026, UN World Population Prospects 2024 (medium variant).

What is the largest generation in Iran?

Millennials are the largest generation in Iran, with 26,318,064 people (28.2%).

How many Gen Z, Millennials and Baby Boomers are in Iran?

Iran has 20,018,474 Gen Z, 26,318,064 Millennials and 9,842,569 Baby Boomers.

What share of Iran is Gen Z, and how does it rank?

Gen Z is 21.5% of Iran, the 65th-lowest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in Iran?

The youngest generations, Gen Alpha and Gen Beta, together number 17,976,192 in Iran, versus 1,102,524 in the oldest two, the Silent and Greatest generations.

How does the largest generation in Iran compare with the world?

Millennials are 28.2% of Iran, compared with 22.5% worldwide.

Explore Generation Data by Country

🌍 World (all countries)

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Compare generation sizes across 194 countries. See how many Millennials, Gen Z, Boomers, and other generations live in each country on UN population data.