Guinea-Bissau Generation Breakdown 2026: How Many Millennials, Gen Z, and Boomers?

Q: What is the largest generation in Guinea-Bissau?

Gen Z is the largest generation in Guinea-Bissau, with 722,504 people (31.4%).

Q: How many Gen Z, Millennials and Baby Boomers are in Guinea-Bissau?

Guinea-Bissau has 722,504 Gen Z, 451,558 Millennials and 94,748 Baby Boomers.

Q: What share of Guinea-Bissau is Gen Z, and how does it rank?

Gen Z is 31.4% of Guinea-Bissau, the 20th-highest Gen Z share of the 194 countries.

Q: How do the youngest and oldest generations compare in Guinea-Bissau?

The youngest generations, Gen Alpha and Gen Beta, together number 788,260 in Guinea-Bissau, versus 7,827 in the oldest two, the Silent and Greatest generations.

Q: How does the largest generation in Guinea-Bissau compare with the world?

Gen Z is 31.4% of Guinea-Bissau, compared with 24.7% worldwide.

In Guinea-Bissau, Gen Z is the largest generation: 722,504 people, 31.4% of the population.

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

Gen Beta — 94,282 (4.1%)
Gen Alpha — 693,978 (30.2%)
Gen Z — 722,504 (31.4%)
Millennials — 451,558 (19.7%)
Gen X — 232,909 (10.1%)
Baby Boomers — 94,748 (4.1%)
Silent Generation — 7,809 (0.3%)
Greatest Generation — 18 (<0.1%)

2,297,808

people on 1 July 2026

31.4%

Gen Z — the largest generation

31.4%

Gen Z share, the 20th-highest of the 194 countries

788,260

under 14 (Gen Alpha + Gen Beta)

7,827

aged 81+ (Silent + Greatest)

Generation Population Distribution - Guinea-Bissau

Gen Beta: 4.1%

Gen Alpha: 30.2%

Gen Z: 31.4%

Millennials: 19.7%

Gen X: 10.1%

Baby Boomers: 4.1%

Silent Generation: 0.3%

Greatest Generation: <0.1%

Generation Breakdown by Population - Guinea-Bissau

Total Population: 2,297,808

Generation	Birth Years	Age Range (2026)	Population	% of Total	Male	Female
Gen Beta	2025–2039	0–1 years	94,282	4.1%	47,844	46,438
Gen Alpha	2013–2024	2–13 years	693,978	30.2%	351,454	342,524
Gen Z	1997–2012	14–29 years	722,504	31.4%	363,480	359,024
Millennials	1981–1996	30–45 years	451,558	19.7%	224,306	227,252
Gen X	1965–1980	46–61 years	232,909	10.1%	109,464	123,444
Baby Boomers	1946–1964	62–80 years	94,748	4.1%	37,086	57,662
Silent Generation	1928–1945	81–98 years	7,809	0.3%	2,994	4,815
Greatest Generation	before 1928	99+ years	18	<0.1%	6	12
Total			2,297,808	100.0%	1,136,634	1,161,173

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).

Guinea-Bissau Generations: Frequently Asked Questions

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

What is the largest generation in Guinea-Bissau?

Gen Z is the largest generation in Guinea-Bissau, with 722,504 people (31.4%).

How many Gen Z, Millennials and Baby Boomers are in Guinea-Bissau?

Guinea-Bissau has 722,504 Gen Z, 451,558 Millennials and 94,748 Baby Boomers.

What share of Guinea-Bissau is Gen Z, and how does it rank?

Gen Z is 31.4% of Guinea-Bissau, the 20th-highest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in Guinea-Bissau?

The youngest generations, Gen Alpha and Gen Beta, together number 788,260 in Guinea-Bissau, versus 7,827 in the oldest two, the Silent and Greatest generations.

How does the largest generation in Guinea-Bissau compare with the world?

Gen Z is 31.4% of Guinea-Bissau, compared with 24.7% worldwide.

Explore Generation Data by Country

🌍 World (all countries)

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Asia

Europe

Latin America and the Caribbean

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