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

By Marko Visic · Updated October 19, 2026

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

In Greece, Gen X is the largest generation: 2,428,290 people, 24.5% of the population.

See the population pyramid for Greece.

Gen Beta: 102,328 (1.0%)
Gen Alpha: 991,901 (10.0%)
Gen Z: 1,663,062 (16.8%)
Millennials: 1,795,583 (18.1%)
Gen X: 2,428,290 (24.5%)
Baby Boomers: 2,191,663 (22.1%)
Silent Generation: 713,824 (7.2%)
Greatest Generation: 10,464 (0.1%)

9,897,116

people on 1 July 2026

24.5%

Gen X, the largest generation

16.8%

Gen Z share, the 18th-lowest of the 194 countries

1,094,229

under 14 (Gen Alpha + Gen Beta)

724,288

aged 81+ (Silent + Greatest)

Generation Population Distribution - Greece

Gen Beta: 1.0%

Gen Alpha: 10.0%

Gen Z: 16.8%

Millennials: 18.1%

Gen X: 24.5%

Baby Boomers: 22.1%

Silent Generation: 7.2%

Greatest Generation: 0.1%

Generation Breakdown by Population - Greece

Total Population: 9,897,116

Generation	Birth Years	Age Range (2026)	Population	% of Total	Male	Female
Gen Beta	2025–2039	0–1 years	102,328	1.0%	52,820	49,508
Gen Alpha	2013–2024	2–13 years	991,901	10.0%	511,078	480,822
Gen Z	1997–2012	14–29 years	1,663,062	16.8%	865,682	797,380
Millennials	1981–1996	30–45 years	1,795,583	18.1%	912,343	883,240
Gen X	1965–1980	46–61 years	2,428,290	24.5%	1,181,173	1,247,117
Baby Boomers	1946–1964	62–80 years	2,191,663	22.1%	995,512	1,196,150
Silent Generation	1928–1945	81–98 years	713,824	7.2%	277,446	436,378
Greatest Generation	before 1928	99+ years	10,464	0.1%	2,392	8,071
Total			9,897,116	100.0%	4,798,448	5,098,668

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).

Greece Generations: Frequently Asked Questions

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

What is the largest generation in Greece?

Gen X is the largest generation in Greece, with 2,428,290 people (24.5%).

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

Greece has 1,663,062 Gen Z, 1,795,583 Millennials and 2,191,663 Baby Boomers.

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

Gen Z is 16.8% of Greece, the 18th-lowest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in Greece?

The youngest generations, Gen Alpha and Gen Beta, together number 1,094,229 in Greece, versus 724,288 in the oldest two, the Silent and Greatest generations.

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

Gen X is 24.5% of Greece, compared with 17.5% worldwide.

Explore Generation Data by Country

Other countries in Europe. See all 194 countries →