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

Q: What is the largest generation in Brunei?

Millennials are the largest generation in Brunei, with 128,739 people (27.4%).

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

Brunei has 110,596 Gen Z, 128,739 Millennials and 45,144 Baby Boomers.

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

Gen Z is 23.5% of Brunei, the 86th-lowest Gen Z share of the 194 countries.

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

The youngest generations, Gen Alpha and Gen Beta, together number 85,955 in Brunei, versus 3,988 in the oldest two, the Silent and Greatest generations.

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

Millennials are 27.4% of Brunei, 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 Brunei, Millennials are the largest generation: 128,739 people, 27.4% of the population.

See the population pyramid for Brunei.

Gen Beta: 8,986 (1.9%)
Gen Alpha: 76,969 (16.4%)
Gen Z: 110,596 (23.5%)
Millennials: 128,739 (27.4%)
Gen X: 95,353 (20.3%)
Baby Boomers: 45,144 (9.6%)
Silent Generation: 3,978 (0.8%)
Greatest Generation: 10 (<0.1%)

469,775

people on 1 July 2026

27.4%

Millennials, the largest generation

23.5%

Gen Z share, the 86th-lowest of the 194 countries

85,955

under 14 (Gen Alpha + Gen Beta)

3,988

aged 81+ (Silent + Greatest)

Generation Population Distribution - Brunei

Gen Beta: 1.9%

Gen Alpha: 16.4%

Gen Z: 23.5%

Millennials: 27.4%

Gen X: 20.3%

Baby Boomers: 9.6%

Silent Generation: 0.8%

Greatest Generation: <0.1%

Generation Breakdown by Population - Brunei

Total Population: 469,775

Generation	Birth Years	Age Range (2026)	Population	% of Total	Male	Female
Gen Beta	2025–2039	0–1 years	8,986	1.9%	4,654	4,333
Gen Alpha	2013–2024	2–13 years	76,969	16.4%	39,944	37,025
Gen Z	1997–2012	14–29 years	110,596	23.5%	58,318	52,278
Millennials	1981–1996	30–45 years	128,739	27.4%	72,382	56,356
Gen X	1965–1980	46–61 years	95,353	20.3%	50,395	44,958
Baby Boomers	1946–1964	62–80 years	45,144	9.6%	21,687	23,457
Silent Generation	1928–1945	81–98 years	3,978	0.8%	1,699	2,279
Greatest Generation	before 1928	99+ years	10	<0.1%	4	6
Total			469,775	100.0%	249,084	220,692

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).

Brunei Generations: Frequently Asked Questions

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

What is the largest generation in Brunei?

Millennials are the largest generation in Brunei, with 128,739 people (27.4%).

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

Brunei has 110,596 Gen Z, 128,739 Millennials and 45,144 Baby Boomers.

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

Gen Z is 23.5% of Brunei, the 86th-lowest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in Brunei?

The youngest generations, Gen Alpha and Gen Beta, together number 85,955 in Brunei, versus 3,988 in the oldest two, the Silent and Greatest generations.

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

Millennials are 27.4% of Brunei, compared with 22.5% worldwide.

Explore Generation Data by Country

Other countries in Asia. See all 194 countries →