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

Q: What is the largest generation in Brazil?

Millennials are the largest generation in Brazil, with 52,254,375 people (24.5%).

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

Brazil has 48,650,696 Gen Z, 52,254,375 Millennials and 28,864,301 Baby Boomers.

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

Gen Z is 22.8% of Brazil, the 76th-lowest Gen Z share of the 194 countries.

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

The youngest generations, Gen Alpha and Gen Beta, together number 36,500,534 in Brazil, versus 4,241,076 in the oldest two, the Silent and Greatest generations.

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

Millennials are 24.5% of Brazil, compared with 22.5% worldwide.

By Marko Visic · Updated October 19, 2026

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

In Brazil, Millennials are the largest generation: 52,254,375 people, 24.5% of the population.

See the population pyramid for Brazil.

Gen Beta: 3,725,054 (1.7%)
Gen Alpha: 32,775,480 (15.3%)
Gen Z: 48,650,696 (22.8%)
Millennials: 52,254,375 (24.5%)
Gen X: 43,051,684 (20.2%)
Baby Boomers: 28,864,301 (13.5%)
Silent Generation: 4,218,073 (2.0%)
Greatest Generation: 23,003 (<0.1%)

213,562,666

people on 1 July 2026

24.5%

Millennials, the largest generation

22.8%

Gen Z share, the 76th-lowest of the 194 countries

36,500,534

under 14 (Gen Alpha + Gen Beta)

4,241,076

aged 81+ (Silent + Greatest)

Generation Population Distribution - Brazil

Gen Beta: 1.7%

Gen Alpha: 15.3%

Gen Z: 22.8%

Millennials: 24.5%

Gen X: 20.2%

Baby Boomers: 13.5%

Silent Generation: 2.0%

Greatest Generation: <0.1%

Generation Breakdown by Population - Brazil

Total Population: 213,562,666

Generation	Birth Years	Age Range (2026)	Population	% of Total	Male	Female
Gen Beta	2025–2039	0–1 years	3,725,054	1.7%	1,901,521	1,823,534
Gen Alpha	2013–2024	2–13 years	32,775,480	15.3%	16,721,603	16,053,877
Gen Z	1997–2012	14–29 years	48,650,696	22.8%	24,666,695	23,984,001
Millennials	1981–1996	30–45 years	52,254,375	24.5%	26,004,928	26,249,448
Gen X	1965–1980	46–61 years	43,051,684	20.2%	20,871,552	22,180,131
Baby Boomers	1946–1964	62–80 years	28,864,301	13.5%	13,150,110	15,714,191
Silent Generation	1928–1945	81–98 years	4,218,073	2.0%	1,663,608	2,554,464
Greatest Generation	before 1928	99+ years	23,003	<0.1%	7,776	15,227
Total			213,562,666	100.0%	104,987,793	108,574,874

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).

Brazil Generations: Frequently Asked Questions

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

What is the largest generation in Brazil?

Millennials are the largest generation in Brazil, with 52,254,375 people (24.5%).

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

Brazil has 48,650,696 Gen Z, 52,254,375 Millennials and 28,864,301 Baby Boomers.

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

Gen Z is 22.8% of Brazil, the 76th-lowest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in Brazil?

The youngest generations, Gen Alpha and Gen Beta, together number 36,500,534 in Brazil, versus 4,241,076 in the oldest two, the Silent and Greatest generations.

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

Millennials are 24.5% of Brazil, compared with 22.5% worldwide.

Explore Generation Data by Country

Other countries in Latin America and the Caribbean. See all 194 countries →