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

In Lithuania, Millennials are the largest generation: 628,218 people, 22.5% of the population.

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

  • Gen Beta — 32,015 (1.1%)
  • Gen Alpha — 324,094 (11.6%)
  • Gen Z — 479,997 (17.2%)
  • Millennials — 628,218 (22.5%)
  • Gen X — 596,970 (21.3%)
  • Baby Boomers — 584,876 (20.9%)
  • Silent Generation — 150,154 (5.4%)
  • Greatest Generation — 1,015 (<0.1%)
2,797,338
people on 1 July 2026
22.5%
Millennials — the largest generation
17.2%
Gen Z share, the 26th-lowest of the 194 countries
356,109
under 14 (Gen Alpha + Gen Beta)
151,169
aged 81+ (Silent + Greatest)

Generation Population Distribution - Lithuania

Gen Beta: 1.1%
Gen Alpha: 11.6%
Gen Z: 17.2%
Millennials: 22.5%
Gen X: 21.3%
Baby Boomers: 20.9%
Silent Generation: 5.4%
Greatest Generation: <0.1%

Generation Breakdown by Population - Lithuania

Total Population: 2,797,338

GenerationBirth YearsAge Range (2026)Population% of TotalMaleFemale
Gen Beta
2025–20390–1 years32,0151.1%16,44015,576
Gen Alpha
2013–20242–13 years324,09411.6%166,410157,684
Gen Z
1997–201214–29 years479,99717.2%245,354234,642
Millennials
1981–199630–45 years628,21822.5%331,423296,794
Gen X
1965–198046–61 years596,97021.3%290,793306,177
Baby Boomers
1946–196462–80 years584,87620.9%231,443353,432
Silent Generation
1928–194581–98 years150,1545.4%39,659110,495
Greatest Generation
before 192899+ years1,015<0.1%187828
Total2,797,338100.0%1,321,7081,475,630

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).

Lithuania Generations: Frequently Asked Questions

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

What is the largest generation in Lithuania?

Millennials are the largest generation in Lithuania, with 628,218 people (22.5%).

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

Lithuania has 479,997 Gen Z, 628,218 Millennials and 584,876 Baby Boomers.

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

Gen Z is 17.2% of Lithuania, the 26th-lowest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in Lithuania?

The youngest generations, Gen Alpha and Gen Beta, together number 356,109 in Lithuania, versus 151,169 in the oldest two, the Silent and Greatest generations.

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

Millennials are 22.5% of Lithuania, compared with 22.5% worldwide.

Explore Generation Data by Country

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