Sao Tome and Principe Generation Breakdown 2026: How Many Millennials, Gen Z, and Boomers?

Q: What is the largest generation in Sao Tome and Principe?

Gen Z is the largest generation in Sao Tome and Principe, with 77,572 people (31.7%).

Q: How many Gen Z, Millennials and Baby Boomers are in Sao Tome and Principe?

Sao Tome and Principe has 77,572 Gen Z, 44,078 Millennials and 11,862 Baby Boomers.

Q: What share of Sao Tome and Principe is Gen Z, and how does it rank?

Gen Z is 31.7% of Sao Tome and Principe, the 19th-highest Gen Z share of the 194 countries.

Q: How do the youngest and oldest generations compare in Sao Tome and Principe?

The youngest generations, Gen Alpha and Gen Beta, together number 82,336 in Sao Tome and Principe, versus 1,593 in the oldest two, the Silent and Greatest generations.

Q: How does the largest generation in Sao Tome and Principe compare with the world?

Gen Z is 31.7% of Sao Tome and Principe, 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 Sao Tome and Principe, Gen Z is the largest generation: 77,572 people, 31.7% of the population.

See the population pyramid for Sao Tome and Principe.

Gen Beta: 9,946 (4.1%)
Gen Alpha: 72,390 (29.5%)
Gen Z: 77,572 (31.7%)
Millennials: 44,078 (18.0%)
Gen X: 27,552 (11.2%)
Baby Boomers: 11,862 (4.8%)
Silent Generation: 1,590 (0.6%)
Greatest Generation: 3 (<0.1%)

244,994

people on 1 July 2026

31.7%

Gen Z, the largest generation

31.7%

Gen Z share, the 19th-highest of the 194 countries

82,336

under 14 (Gen Alpha + Gen Beta)

1,593

aged 81+ (Silent + Greatest)

Generation Population Distribution - Sao Tome and Principe

Gen Beta: 4.1%

Gen Alpha: 29.5%

Gen Z: 31.7%

Millennials: 18.0%

Gen X: 11.2%

Baby Boomers: 4.8%

Silent Generation: 0.6%

Greatest Generation: <0.1%

Generation Breakdown by Population - Sao Tome and Principe

Total Population: 244,994

Generation	Birth Years	Age Range (2026)	Population	% of Total	Male	Female
Gen Beta	2025–2039	0–1 years	9,946	4.1%	5,037	4,909
Gen Alpha	2013–2024	2–13 years	72,390	29.5%	36,496	35,894
Gen Z	1997–2012	14–29 years	77,572	31.7%	38,386	39,187
Millennials	1981–1996	30–45 years	44,078	18.0%	21,779	22,300
Gen X	1965–1980	46–61 years	27,552	11.2%	13,912	13,640
Baby Boomers	1946–1964	62–80 years	11,862	4.8%	5,503	6,360
Silent Generation	1928–1945	81–98 years	1,590	0.6%	561	1,029
Greatest Generation	before 1928	99+ years	3	<0.1%	0	2
Total			244,994	100.0%	121,673	123,320

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).

Sao Tome and Principe Generations: Frequently Asked Questions

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

What is the largest generation in Sao Tome and Principe?

Gen Z is the largest generation in Sao Tome and Principe, with 77,572 people (31.7%).

How many Gen Z, Millennials and Baby Boomers are in Sao Tome and Principe?

Sao Tome and Principe has 77,572 Gen Z, 44,078 Millennials and 11,862 Baby Boomers.

What share of Sao Tome and Principe is Gen Z, and how does it rank?

Gen Z is 31.7% of Sao Tome and Principe, the 19th-highest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in Sao Tome and Principe?

The youngest generations, Gen Alpha and Gen Beta, together number 82,336 in Sao Tome and Principe, versus 1,593 in the oldest two, the Silent and Greatest generations.

How does the largest generation in Sao Tome and Principe compare with the world?

Gen Z is 31.7% of Sao Tome and Principe, compared with 24.7% worldwide.

Explore Generation Data by Country

Other countries in Africa. See all 194 countries →