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

Q: What is the largest generation in Slovakia?

Gen X is the largest generation in Slovakia, with 1,271,530 people (23.3%).

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

Slovakia has 882,325 Gen Z, 1,247,062 Millennials and 1,102,828 Baby Boomers.

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

Gen Z is 16.2% of Slovakia, the 7th-lowest Gen Z share of the 194 countries.

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

The youngest generations, Gen Alpha and Gen Beta, together number 748,326 in Slovakia, versus 199,271 in the oldest two, the Silent and Greatest generations.

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

Gen X is 23.3% of Slovakia, 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 Slovakia, Gen X is the largest generation: 1,271,530 people, 23.3% of the population.

See the population pyramid for Slovakia.

Gen Beta: 72,566 (1.3%)
Gen Alpha: 675,760 (12.4%)
Gen Z: 882,325 (16.2%)
Millennials: 1,247,062 (22.9%)
Gen X: 1,271,530 (23.3%)
Baby Boomers: 1,102,828 (20.2%)
Silent Generation: 198,018 (3.6%)
Greatest Generation: 1,253 (<0.1%)

5,451,342

people on 1 July 2026

23.3%

Gen X, the largest generation

16.2%

Gen Z share, the 7th-lowest of the 194 countries

748,326

under 14 (Gen Alpha + Gen Beta)

199,271

aged 81+ (Silent + Greatest)

Generation Population Distribution - Slovakia

Gen Beta: 1.3%

Gen Alpha: 12.4%

Gen Z: 16.2%

Millennials: 22.9%

Gen X: 23.3%

Baby Boomers: 20.2%

Silent Generation: 3.6%

Greatest Generation: <0.1%

Generation Breakdown by Population - Slovakia

Total Population: 5,451,342

Generation	Birth Years	Age Range (2026)	Population	% of Total	Male	Female
Gen Beta	2025–2039	0–1 years	72,566	1.3%	37,250	35,317
Gen Alpha	2013–2024	2–13 years	675,760	12.4%	346,531	329,230
Gen Z	1997–2012	14–29 years	882,325	16.2%	452,654	429,672
Millennials	1981–1996	30–45 years	1,247,062	22.9%	636,950	610,112
Gen X	1965–1980	46–61 years	1,271,530	23.3%	639,356	632,174
Baby Boomers	1946–1964	62–80 years	1,102,828	20.2%	485,120	617,708
Silent Generation	1928–1945	81–98 years	198,018	3.6%	62,537	135,481
Greatest Generation	before 1928	99+ years	1,253	<0.1%	299	954
Total			5,451,342	100.0%	2,660,696	2,790,646

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).

Slovakia Generations: Frequently Asked Questions

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

What is the largest generation in Slovakia?

Gen X is the largest generation in Slovakia, with 1,271,530 people (23.3%).

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

Slovakia has 882,325 Gen Z, 1,247,062 Millennials and 1,102,828 Baby Boomers.

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

Gen Z is 16.2% of Slovakia, the 7th-lowest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in Slovakia?

The youngest generations, Gen Alpha and Gen Beta, together number 748,326 in Slovakia, versus 199,271 in the oldest two, the Silent and Greatest generations.

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

Gen X is 23.3% of Slovakia, compared with 17.5% worldwide.

Explore Generation Data by Country

Other countries in Europe. See all 194 countries →