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

Q: What is the largest generation in Tonga?

Gen Z is the largest generation in Tonga, with 31,638 people (30.6%).

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

Tonga has 31,638 Gen Z, 16,072 Millennials and 8,086 Baby Boomers.

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

Gen Z is 30.6% of Tonga, the 37th-highest Gen Z share of the 194 countries.

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

The youngest generations, Gen Alpha and Gen Beta, together number 31,686 in Tonga, versus 1,284 in the oldest two, the Silent and Greatest generations.

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

Gen Z is 30.6% of Tonga, 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 Tonga, Gen Z is the largest generation: 31,638 people, 30.6% of the population.

See the population pyramid for Tonga.

Gen Beta: 3,404 (3.3%)
Gen Alpha: 28,282 (27.4%)
Gen Z: 31,638 (30.6%)
Millennials: 16,072 (15.6%)
Gen X: 14,526 (14.1%)
Baby Boomers: 8,086 (7.8%)
Silent Generation: 1,280 (1.2%)
Greatest Generation: 4 (<0.1%)

103,291

people on 1 July 2026

30.6%

Gen Z, the largest generation

30.6%

Gen Z share, the 37th-highest of the 194 countries

31,686

under 14 (Gen Alpha + Gen Beta)

1,284

aged 81+ (Silent + Greatest)

Generation Population Distribution - Tonga

Gen Beta: 3.3%

Gen Alpha: 27.4%

Gen Z: 30.6%

Millennials: 15.6%

Gen X: 14.1%

Baby Boomers: 7.8%

Silent Generation: 1.2%

Greatest Generation: <0.1%

Generation Breakdown by Population - Tonga

Total Population: 103,291

Generation	Birth Years	Age Range (2026)	Population	% of Total	Male	Female
Gen Beta	2025–2039	0–1 years	3,404	3.3%	1,768	1,636
Gen Alpha	2013–2024	2–13 years	28,282	27.4%	14,625	13,657
Gen Z	1997–2012	14–29 years	31,638	30.6%	15,421	16,216
Millennials	1981–1996	30–45 years	16,072	15.6%	6,252	9,820
Gen X	1965–1980	46–61 years	14,526	14.1%	6,654	7,872
Baby Boomers	1946–1964	62–80 years	8,086	7.8%	3,604	4,482
Silent Generation	1928–1945	81–98 years	1,280	1.2%	452	829
Greatest Generation	before 1928	99+ years	4	<0.1%	0	4
Total			103,291	100.0%	48,775	54,516

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).

Tonga Generations: Frequently Asked Questions

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

What is the largest generation in Tonga?

Gen Z is the largest generation in Tonga, with 31,638 people (30.6%).

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

Tonga has 31,638 Gen Z, 16,072 Millennials and 8,086 Baby Boomers.

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

Gen Z is 30.6% of Tonga, the 37th-highest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in Tonga?

The youngest generations, Gen Alpha and Gen Beta, together number 31,686 in Tonga, versus 1,284 in the oldest two, the Silent and Greatest generations.