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

Q: What is the largest generation in Poland?

Millennials are the largest generation in Poland, with 9,003,858 people (23.8%).

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

Poland has 6,138,483 Gen Z, 9,003,858 Millennials and 8,018,909 Baby Boomers.

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

Gen Z is 16.2% of Poland, the 8th-lowest Gen Z share of the 194 countries.

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

The youngest generations, Gen Alpha and Gen Beta, together number 4,732,246 in Poland, versus 1,581,387 in the oldest two, the Silent and Greatest generations.

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

Millennials are 23.8% of Poland, 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 Poland, Millennials are the largest generation: 9,003,858 people, 23.8% of the population.

See the population pyramid for Poland.

Gen Beta: 429,516 (1.1%)
Gen Alpha: 4,302,730 (11.4%)
Gen Z: 6,138,483 (16.2%)
Millennials: 9,003,858 (23.8%)
Gen X: 8,368,305 (22.1%)
Baby Boomers: 8,018,909 (21.2%)
Silent Generation: 1,564,189 (4.1%)
Greatest Generation: 17,198 (<0.1%)

37,843,188

people on 1 July 2026

23.8%

Millennials, the largest generation

16.2%

Gen Z share, the 8th-lowest of the 194 countries

4,732,246

under 14 (Gen Alpha + Gen Beta)

1,581,387

aged 81+ (Silent + Greatest)

Generation Population Distribution - Poland

Gen Beta: 1.1%

Gen Alpha: 11.4%

Gen Z: 16.2%

Millennials: 23.8%

Gen X: 22.1%

Baby Boomers: 21.2%

Silent Generation: 4.1%

Greatest Generation: <0.1%

Generation Breakdown by Population - Poland

Total Population: 37,843,188

Generation	Birth Years	Age Range (2026)	Population	% of Total	Male	Female
Gen Beta	2025–2039	0–1 years	429,516	1.1%	221,142	208,374
Gen Alpha	2013–2024	2–13 years	4,302,730	11.4%	2,211,457	2,091,272
Gen Z	1997–2012	14–29 years	6,138,483	16.2%	3,141,698	2,996,784
Millennials	1981–1996	30–45 years	9,003,858	23.8%	4,578,442	4,425,416
Gen X	1965–1980	46–61 years	8,368,305	22.1%	4,159,311	4,208,994
Baby Boomers	1946–1964	62–80 years	8,018,909	21.2%	3,510,933	4,507,976
Silent Generation	1928–1945	81–98 years	1,564,189	4.1%	494,813	1,069,376
Greatest Generation	before 1928	99+ years	17,198	<0.1%	3,254	13,945
Total			37,843,188	100.0%	18,321,050	19,522,138

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).

Poland Generations: Frequently Asked Questions

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

What is the largest generation in Poland?

Millennials are the largest generation in Poland, with 9,003,858 people (23.8%).

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

Poland has 6,138,483 Gen Z, 9,003,858 Millennials and 8,018,909 Baby Boomers.

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

Gen Z is 16.2% of Poland, the 8th-lowest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in Poland?

The youngest generations, Gen Alpha and Gen Beta, together number 4,732,246 in Poland, versus 1,581,387 in the oldest two, the Silent and Greatest generations.

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

Millennials are 23.8% of Poland, compared with 22.5% worldwide.

Explore Generation Data by Country

Other countries in Europe. See all 194 countries →