Papua New Guinea Generation Breakdown 2026: How Many Millennials, Gen Z, and Boomers?

Q: What is the largest generation in Papua New Guinea?

Gen Z is the largest generation in Papua New Guinea, with 3,243,521 people (29.6%).

Q: How many Gen Z, Millennials and Baby Boomers are in Papua New Guinea?

Papua New Guinea has 3,243,521 Gen Z, 2,418,378 Millennials and 561,273 Baby Boomers.

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

Gen Z is 29.6% of Papua New Guinea, the 57th-highest Gen Z share of the 194 countries.

Q: How do the youngest and oldest generations compare in Papua New Guinea?

The youngest generations, Gen Alpha and Gen Beta, together number 3,253,162 in Papua New Guinea, versus 35,511 in the oldest two, the Silent and Greatest generations.

Q: How does the largest generation in Papua New Guinea compare with the world?

Gen Z is 29.6% of Papua New Guinea, compared with 24.7% worldwide.

By Marko Visic · Updated October 19, 2026

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

In Papua New Guinea, Gen Z is the largest generation: 3,243,521 people, 29.6% of the population.

See the population pyramid for Papua New Guinea.

Gen Beta: 374,762 (3.4%)
Gen Alpha: 2,878,400 (26.3%)
Gen Z: 3,243,521 (29.6%)
Millennials: 2,418,378 (22.1%)
Gen X: 1,436,003 (13.1%)
Baby Boomers: 561,273 (5.1%)
Silent Generation: 35,438 (0.3%)
Greatest Generation: 73 (<0.1%)

10,947,848

people on 1 July 2026

29.6%

Gen Z, the largest generation

29.6%

Gen Z share, the 57th-highest of the 194 countries

3,253,162

under 14 (Gen Alpha + Gen Beta)

35,511

aged 81+ (Silent + Greatest)

Generation Population Distribution - Papua New Guinea

Gen Beta: 3.4%

Gen Alpha: 26.3%

Gen Z: 29.6%

Millennials: 22.1%

Gen X: 13.1%

Baby Boomers: 5.1%

Silent Generation: 0.3%

Greatest Generation: <0.1%

Generation Breakdown by Population - Papua New Guinea

Total Population: 10,947,848

Generation	Birth Years	Age Range (2026)	Population	% of Total	Male	Female
Gen Beta	2025–2039	0–1 years	374,762	3.4%	193,743	181,019
Gen Alpha	2013–2024	2–13 years	2,878,400	26.3%	1,490,227	1,388,174
Gen Z	1997–2012	14–29 years	3,243,521	29.6%	1,696,999	1,546,522
Millennials	1981–1996	30–45 years	2,418,378	22.1%	1,220,690	1,197,687
Gen X	1965–1980	46–61 years	1,436,003	13.1%	713,378	722,625
Baby Boomers	1946–1964	62–80 years	561,273	5.1%	289,047	272,226
Silent Generation	1928–1945	81–98 years	35,438	0.3%	16,325	19,114
Greatest Generation	before 1928	99+ years	73	<0.1%	32	40
Total			10,947,848	100.0%	5,620,442	5,327,406

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).

Papua New Guinea Generations: Frequently Asked Questions

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

What is the largest generation in Papua New Guinea?

Gen Z is the largest generation in Papua New Guinea, with 3,243,521 people (29.6%).

How many Gen Z, Millennials and Baby Boomers are in Papua New Guinea?

Papua New Guinea has 3,243,521 Gen Z, 2,418,378 Millennials and 561,273 Baby Boomers.

What share of Papua New Guinea is Gen Z, and how does it rank?

Gen Z is 29.6% of Papua New Guinea, the 57th-highest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in Papua New Guinea?

The youngest generations, Gen Alpha and Gen Beta, together number 3,253,162 in Papua New Guinea, versus 35,511 in the oldest two, the Silent and Greatest generations.