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

In Austria, Gen X is the largest generation: 2,031,912 people, 22.3% of the population.

Population on 1 July 2026, UN World Population Prospects 2024 (medium variant). See the population pyramid for Austria.

Gen Beta — 112,926 (1.2%)
Gen Alpha — 1,036,984 (11.4%)
Gen Z — 1,498,558 (16.5%)
Millennials — 1,975,367 (21.7%)
Gen X — 2,031,912 (22.3%)
Baby Boomers — 1,909,202 (21.0%)
Silent Generation — 537,312 (5.9%)
Greatest Generation — 5,006 (0.1%)

9,107,266

people on 1 July 2026

22.3%

Gen X — the largest generation

16.5%

Gen Z share, the 12th-lowest of the 194 countries

1,149,910

under 14 (Gen Alpha + Gen Beta)

542,318

aged 81+ (Silent + Greatest)

Generation Population Distribution - Austria

Gen Beta: 1.2%

Gen Alpha: 11.4%

Gen Z: 16.5%

Millennials: 21.7%

Gen X: 22.3%

Baby Boomers: 21.0%

Silent Generation: 5.9%

Greatest Generation: 0.1%

Generation Breakdown by Population - Austria

Total Population: 9,107,266

Generation	Birth Years	Age Range (2026)	Population	% of Total	Male	Female
Gen Beta	2025–2039	0–1 years	112,926	1.2%	57,986	54,940
Gen Alpha	2013–2024	2–13 years	1,036,984	11.4%	532,946	504,038
Gen Z	1997–2012	14–29 years	1,498,558	16.5%	769,220	729,338
Millennials	1981–1996	30–45 years	1,975,367	21.7%	1,003,738	971,629
Gen X	1965–1980	46–61 years	2,031,912	22.3%	1,011,638	1,020,274
Baby Boomers	1946–1964	62–80 years	1,909,202	21.0%	902,227	1,006,975
Silent Generation	1928–1945	81–98 years	537,312	5.9%	207,940	329,371
Greatest Generation	before 1928	99+ years	5,006	0.1%	1,002	4,003
Total			9,107,266	100.0%	4,486,700	4,620,566

Population on 1 July 2026, UN World Population Prospects 2024 (medium variant). Generation definitions: Pew Research Center (Silent–Gen Z); McCrindle Research (Gen Alpha, Gen Beta).

Austria Generations: Frequently Asked Questions

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

What is the largest generation in Austria?

Gen X is the largest generation in Austria, with 2,031,912 people (22.3%).

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

Austria has 1,498,558 Gen Z, 1,975,367 Millennials and 1,909,202 Baby Boomers.

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

Gen Z is 16.5% of Austria, the 12th-lowest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in Austria?

The youngest generations, Gen Alpha and Gen Beta, together number 1,149,910 in Austria, versus 542,318 in the oldest two, the Silent and Greatest generations.

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

Gen X is 22.3% of Austria, compared with 17.5% worldwide.

Explore Generation Data by Country

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Compare generation sizes across 194 countries. See how many Millennials, Gen Z, Boomers, and other generations live in each country on UN population data.