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

Q: What is the largest generation in Bulgaria?

Gen X is the largest generation in Bulgaria, with 1,583,134 people (23.7%).

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

Bulgaria has 1,046,460 Gen Z, 1,383,688 Millennials and 1,482,043 Baby Boomers.

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

Gen Z is 15.7% of Bulgaria, the 3rd-lowest Gen Z share of the 194 countries.

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

The youngest generations, Gen Alpha and Gen Beta, together number 853,264 in Bulgaria, versus 319,070 in the oldest two, the Silent and Greatest generations.

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

Gen X is 23.7% of Bulgaria, 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 Bulgaria, Gen X is the largest generation: 1,583,134 people, 23.7% of the population.

See the population pyramid for Bulgaria.

Gen Beta: 89,457 (1.3%)
Gen Alpha: 763,807 (11.5%)
Gen Z: 1,046,460 (15.7%)
Millennials: 1,383,688 (20.8%)
Gen X: 1,583,134 (23.7%)
Baby Boomers: 1,482,043 (22.2%)
Silent Generation: 318,024 (4.8%)
Greatest Generation: 1,046 (<0.1%)

6,667,660

people on 1 July 2026

23.7%

Gen X, the largest generation

15.7%

Gen Z share, the 3rd-lowest of the 194 countries

853,264

under 14 (Gen Alpha + Gen Beta)

319,070

aged 81+ (Silent + Greatest)

Generation Population Distribution - Bulgaria

Gen Beta: 1.3%

Gen Alpha: 11.5%

Gen Z: 15.7%

Millennials: 20.8%

Gen X: 23.7%

Baby Boomers: 22.2%

Silent Generation: 4.8%

Greatest Generation: <0.1%

Generation Breakdown by Population - Bulgaria

Total Population: 6,667,660

Generation	Birth Years	Age Range (2026)	Population	% of Total	Male	Female
Gen Beta	2025–2039	0–1 years	89,457	1.3%	46,022	43,434
Gen Alpha	2013–2024	2–13 years	763,807	11.5%	392,389	371,418
Gen Z	1997–2012	14–29 years	1,046,460	15.7%	538,096	508,364
Millennials	1981–1996	30–45 years	1,383,688	20.8%	711,026	672,662
Gen X	1965–1980	46–61 years	1,583,134	23.7%	798,218	784,916
Baby Boomers	1946–1964	62–80 years	1,482,043	22.2%	635,576	846,468
Silent Generation	1928–1945	81–98 years	318,024	4.8%	104,454	213,570
Greatest Generation	before 1928	99+ years	1,046	<0.1%	284	763
Total			6,667,660	100.0%	3,226,065	3,441,594

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).

Bulgaria Generations: Frequently Asked Questions

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

What is the largest generation in Bulgaria?

Gen X is the largest generation in Bulgaria, with 1,583,134 people (23.7%).

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

Bulgaria has 1,046,460 Gen Z, 1,383,688 Millennials and 1,482,043 Baby Boomers.

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

Gen Z is 15.7% of Bulgaria, the 3rd-lowest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in Bulgaria?

The youngest generations, Gen Alpha and Gen Beta, together number 853,264 in Bulgaria, versus 319,070 in the oldest two, the Silent and Greatest generations.

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

Gen X is 23.7% of Bulgaria, compared with 17.5% worldwide.

Explore Generation Data by Country

Other countries in Europe. See all 194 countries →