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

Q: What is the largest generation in Tanzania?

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

Q: 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.

Q: 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.

Q: 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.

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

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

By Marko Visic · Updated October 19, 2026

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

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

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

Generation	Birth Years	Age Range (2026)	Population	% of Total	Male	Female
Gen Beta	2025–2039	0–1 years	3,555,190	4.9%	1,799,418	1,755,771
Gen Alpha	2013–2024	2–13 years	24,527,371	33.8%	12,393,876	12,133,494
Gen Z	1997–2012	14–29 years	22,277,194	30.7%	11,172,699	11,104,495
Millennials	1981–1996	30–45 years	12,848,918	17.7%	6,331,394	6,517,523
Gen X	1965–1980	46–61 years	6,445,479	8.9%	3,113,698	3,331,780
Baby Boomers	1946–1964	62–80 years	2,596,388	3.6%	1,067,582	1,528,806
Silent Generation	1928–1945	81–98 years	311,209	0.4%	108,793	202,416
Greatest Generation	before 1928	99+ years	2,034	<0.1%	200	1,833
Total			72,563,780	100.0%	35,987,661	36,576,120

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).

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

Other countries in Africa. See all 194 countries →