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

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

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

GenerationBirth YearsAge Range (2026)Population% of TotalMaleFemale
Gen Beta
2025–20390–1 years3,725,0541.7%1,901,5211,823,534
Gen Alpha
2013–20242–13 years32,775,48015.3%16,721,60316,053,877
Gen Z
1997–201214–29 years48,650,69622.8%24,666,69523,984,001
Millennials
1981–199630–45 years52,254,37524.5%26,004,92826,249,448
Gen X
1965–198046–61 years43,051,68420.2%20,871,55222,180,131
Baby Boomers
1946–196462–80 years28,864,30113.5%13,150,11015,714,191
Silent Generation
1928–194581–98 years4,218,0732.0%1,663,6082,554,464
Greatest Generation
before 192899+ years23,003<0.1%7,77615,227
Total213,562,666100.0%104,987,793108,574,874

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).

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

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