PopulationPyramids
UN World Population Prospects Data Visualized

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

By Marko Visic · Updated

A UN projection for 1 July 2026 from World Population Prospects 2024 (medium variant).

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

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

GenerationBirth YearsAge Range (2026)Population% of TotalMaleFemale
Gen Beta
2025–20390–1 years1,667,0681.8%853,774813,294
Gen Alpha
2013–20242–13 years16,309,12417.5%8,377,3287,931,796
Gen Z
1997–201214–29 years20,018,47421.5%10,249,2909,769,184
Millennials
1981–199630–45 years26,318,06428.2%13,383,10712,934,956
Gen X
1965–198046–61 years17,910,67419.2%9,100,9848,809,690
Baby Boomers
1946–196462–80 years9,842,56910.6%4,874,7424,967,826
Silent Generation
1928–194581–98 years1,100,8541.2%471,988628,866
Greatest Generation
before 192899+ years1,670<0.1%3521,319
Total93,168,498100.0%47,311,56645,856,932

Projected 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

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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.