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

Q: What is the largest generation in the Czech Republic?

Gen X is the largest generation in the Czech Republic, with 2,526,441 people (24.0%).

Q: How many Gen Z, Millennials and Baby Boomers are in the Czech Republic?

The Czech Republic has 1,745,360 Gen Z, 2,155,812 Millennials and 2,190,720 Baby Boomers.

Q: What share of the Czech Republic is Gen Z, and how does it rank?

Gen Z is 16.6% of the Czech Republic, the 13th-lowest Gen Z share of the 194 countries.

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

The youngest generations, Gen Alpha and Gen Beta, together number 1,397,018 in the Czech Republic, versus 512,430 in the oldest two, the Silent and Greatest generations.

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

Gen X is 24.0% of the Czech Republic, compared with 17.5% worldwide.

By Marko Visic · Updated October 19, 2026

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

In the Czech Republic, Gen X is the largest generation: 2,526,441 people, 24.0% of the population.

See the population pyramid for the Czech Republic.

Gen Beta: 125,832 (1.2%)
Gen Alpha: 1,271,186 (12.1%)
Gen Z: 1,745,360 (16.6%)
Millennials: 2,155,812 (20.5%)
Gen X: 2,526,441 (24.0%)
Baby Boomers: 2,190,720 (20.8%)
Silent Generation: 509,702 (4.8%)
Greatest Generation: 2,728 (<0.1%)

10,527,780

people on 1 July 2026

24.0%

Gen X, the largest generation

16.6%

Gen Z share, the 13th-lowest of the 194 countries

1,397,018

under 14 (Gen Alpha + Gen Beta)

512,430

aged 81+ (Silent + Greatest)

Generation Population Distribution - Czech Republic

Gen Beta: 1.2%

Gen Alpha: 12.1%

Gen Z: 16.6%

Millennials: 20.5%

Gen X: 24.0%

Baby Boomers: 20.8%

Silent Generation: 4.8%

Greatest Generation: <0.1%

Generation Breakdown by Population - Czech Republic

Total Population: 10,527,780

Generation	Birth Years	Age Range (2026)	Population	% of Total	Male	Female
Gen Beta	2025–2039	0–1 years	125,832	1.2%	64,674	61,158
Gen Alpha	2013–2024	2–13 years	1,271,186	12.1%	651,956	619,230
Gen Z	1997–2012	14–29 years	1,745,360	16.6%	893,225	852,134
Millennials	1981–1996	30–45 years	2,155,812	20.5%	1,114,653	1,041,160
Gen X	1965–1980	46–61 years	2,526,441	24.0%	1,289,494	1,236,948
Baby Boomers	1946–1964	62–80 years	2,190,720	20.8%	1,000,460	1,190,260
Silent Generation	1928–1945	81–98 years	509,702	4.8%	178,291	331,410
Greatest Generation	before 1928	99+ years	2,728	<0.1%	522	2,206
Total			10,527,780	100.0%	5,193,276	5,334,505

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).

Czech Republic Generations: Frequently Asked Questions

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

What is the largest generation in the Czech Republic?

Gen X is the largest generation in the Czech Republic, with 2,526,441 people (24.0%).

How many Gen Z, Millennials and Baby Boomers are in the Czech Republic?

The Czech Republic has 1,745,360 Gen Z, 2,155,812 Millennials and 2,190,720 Baby Boomers.

What share of the Czech Republic is Gen Z, and how does it rank?

Gen Z is 16.6% of the Czech Republic, the 13th-lowest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in the Czech Republic?

The youngest generations, Gen Alpha and Gen Beta, together number 1,397,018 in the Czech Republic, versus 512,430 in the oldest two, the Silent and Greatest generations.

How does the largest generation in the Czech Republic compare with the world?

Gen X is 24.0% of the Czech Republic, compared with 17.5% worldwide.

Explore Generation Data by Country

Other countries in Europe. See all 194 countries →