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

Q: What is the largest generation in Lithuania?

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

Q: 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.

Q: 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.

Q: 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.

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

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

By Marko Visic · Updated October 19, 2026

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

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

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

Generation	Birth Years	Age Range (2026)	Population	% of Total	Male	Female
Gen Beta	2025–2039	0–1 years	32,015	1.1%	16,440	15,576
Gen Alpha	2013–2024	2–13 years	324,094	11.6%	166,410	157,684
Gen Z	1997–2012	14–29 years	479,997	17.2%	245,354	234,642
Millennials	1981–1996	30–45 years	628,218	22.5%	331,423	296,794
Gen X	1965–1980	46–61 years	596,970	21.3%	290,793	306,177
Baby Boomers	1946–1964	62–80 years	584,876	20.9%	231,443	353,432
Silent Generation	1928–1945	81–98 years	150,154	5.4%	39,659	110,495
Greatest Generation	before 1928	99+ years	1,015	<0.1%	187	828
Total			2,797,338	100.0%	1,321,708	1,475,630

Projected population on 1 July 2026, UN World Population Prospects 2024 (medium variant). Generation definitions: Pew Research Center (Greatest Generation to 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

Other countries in Europe. See all 194 countries →