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

In Tanzania, Gen Alpha is the largest generation: 24,527,371 people, 33.8% of the population.

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

  • Gen Beta — 3,555,190 (4.9%)
  • Gen Alpha — 24,527,371 (33.8%)
  • Gen Z — 22,277,194 (30.7%)
  • Millennials — 12,848,918 (17.7%)
  • Gen X — 6,445,479 (8.9%)
  • Baby Boomers — 2,596,388 (3.6%)
  • Silent Generation — 311,209 (0.4%)
  • Greatest Generation — 2,034 (<0.1%)
72,563,780
people on 1 July 2026
33.8%
Gen Alpha — the largest generation
30.7%
Gen Z share, the 36th-highest of the 194 countries
28,082,561
under 14 (Gen Alpha + Gen Beta)
313,243
aged 81+ (Silent + Greatest)

Generation Population Distribution - Tanzania

Gen Beta: 4.9%
Gen Alpha: 33.8%
Gen Z: 30.7%
Millennials: 17.7%
Gen X: 8.9%
Baby Boomers: 3.6%
Silent Generation: 0.4%
Greatest Generation: <0.1%

Generation Breakdown by Population - Tanzania

Total Population: 72,563,780

GenerationBirth YearsAge Range (2026)Population% of TotalMaleFemale
Gen Beta
2025–20390–1 years3,555,1904.9%1,799,4181,755,771
Gen Alpha
2013–20242–13 years24,527,37133.8%12,393,87612,133,494
Gen Z
1997–201214–29 years22,277,19430.7%11,172,69911,104,495
Millennials
1981–199630–45 years12,848,91817.7%6,331,3946,517,523
Gen X
1965–198046–61 years6,445,4798.9%3,113,6983,331,780
Baby Boomers
1946–196462–80 years2,596,3883.6%1,067,5821,528,806
Silent Generation
1928–194581–98 years311,2090.4%108,793202,416
Greatest Generation
before 192899+ years2,034<0.1%2001,833
Total72,563,780100.0%35,987,66136,576,120

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).

Tanzania Generations: Frequently Asked Questions

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

What is the largest generation in Tanzania?

Gen Alpha is the largest generation in Tanzania, with 24,527,371 people (33.8%).

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

Tanzania has 22,277,194 Gen Z, 12,848,918 Millennials and 2,596,388 Baby Boomers.

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

Gen Z is 30.7% of Tanzania, the 36th-highest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in Tanzania?

The youngest generations, Gen Alpha and Gen Beta, together number 28,082,561 in Tanzania, versus 313,243 in the oldest two, the Silent and Greatest generations.

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

Gen Alpha is 33.8% of Tanzania, compared with 19.3% 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.