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

Q: What is the largest generation in Luxembourg?

Millennials are the largest generation in Luxembourg, with 170,624 people (24.8%).

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

Luxembourg has 125,519 Gen Z, 170,624 Millennials and 114,878 Baby Boomers.

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

Gen Z is 18.3% of Luxembourg, the 33rd-lowest Gen Z share of the 194 countries.

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

The youngest generations, Gen Alpha and Gen Beta, together number 97,120 in Luxembourg, versus 26,269 in the oldest two, the Silent and Greatest generations.

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

Millennials are 24.8% of Luxembourg, 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 Luxembourg, Millennials are the largest generation: 170,624 people, 24.8% of the population.

See the population pyramid for Luxembourg.

Gen Beta: 10,638 (1.5%)
Gen Alpha: 86,482 (12.6%)
Gen Z: 125,519 (18.3%)
Millennials: 170,624 (24.8%)
Gen X: 153,038 (22.3%)
Baby Boomers: 114,878 (16.7%)
Silent Generation: 25,983 (3.8%)
Greatest Generation: 286 (<0.1%)

687,448

people on 1 July 2026

24.8%

Millennials, the largest generation

18.3%

Gen Z share, the 33rd-lowest of the 194 countries

97,120

under 14 (Gen Alpha + Gen Beta)

26,269

aged 81+ (Silent + Greatest)

Generation Population Distribution - Luxembourg

Gen Beta: 1.5%

Gen Alpha: 12.6%

Gen Z: 18.3%

Millennials: 24.8%

Gen X: 22.3%

Baby Boomers: 16.7%

Silent Generation: 3.8%

Greatest Generation: <0.1%

Generation Breakdown by Population - Luxembourg

Total Population: 687,448

Generation	Birth Years	Age Range (2026)	Population	% of Total	Male	Female
Gen Beta	2025–2039	0–1 years	10,638	1.5%	5,456	5,183
Gen Alpha	2013–2024	2–13 years	86,482	12.6%	44,118	42,363
Gen Z	1997–2012	14–29 years	125,519	18.3%	64,784	60,735
Millennials	1981–1996	30–45 years	170,624	24.8%	86,694	83,930
Gen X	1965–1980	46–61 years	153,038	22.3%	78,188	74,850
Baby Boomers	1946–1964	62–80 years	114,878	16.7%	56,622	58,256
Silent Generation	1928–1945	81–98 years	25,983	3.8%	10,331	15,652
Greatest Generation	before 1928	99+ years	286	<0.1%	52	234
Total			687,448	100.0%	346,244	341,204

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).

Luxembourg Generations: Frequently Asked Questions

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

What is the largest generation in Luxembourg?

Millennials are the largest generation in Luxembourg, with 170,624 people (24.8%).

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

Luxembourg has 125,519 Gen Z, 170,624 Millennials and 114,878 Baby Boomers.

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

Gen Z is 18.3% of Luxembourg, the 33rd-lowest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in Luxembourg?

The youngest generations, Gen Alpha and Gen Beta, together number 97,120 in Luxembourg, versus 26,269 in the oldest two, the Silent and Greatest generations.

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

Millennials are 24.8% of Luxembourg, compared with 22.5% worldwide.

Explore Generation Data by Country

Other countries in Europe. See all 194 countries →