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

By Marko Visic · Updated October 19, 2026

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

In San Marino, Gen X is the largest generation: 8,990 people, 26.8% of the population.

See the population pyramid for San Marino.

Gen Beta: 298 (0.9%)
Gen Alpha: 3,060 (9.1%)
Gen Z: 5,658 (16.8%)
Millennials: 5,570 (16.6%)
Gen X: 8,990 (26.8%)
Baby Boomers: 7,784 (23.2%)
Silent Generation: 2,224 (6.6%)
Greatest Generation: 22 (0.1%)

33,605

people on 1 July 2026

26.8%

Gen X, the largest generation

16.8%

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

3,358

under 14 (Gen Alpha + Gen Beta)

2,246

aged 81+ (Silent + Greatest)

Generation Population Distribution - San Marino

Gen Beta: 0.9%

Gen Alpha: 9.1%

Gen Z: 16.8%

Millennials: 16.6%

Gen X: 26.8%

Baby Boomers: 23.2%

Silent Generation: 6.6%

Greatest Generation: 0.1%

Generation Breakdown by Population - San Marino

Total Population: 33,605

Generation	Birth Years	Age Range (2026)	Population	% of Total	Male	Female
Gen Beta	2025–2039	0–1 years	298	0.9%	154	144
Gen Alpha	2013–2024	2–13 years	3,060	9.1%	1,548	1,512
Gen Z	1997–2012	14–29 years	5,658	16.8%	2,939	2,718
Millennials	1981–1996	30–45 years	5,570	16.6%	2,762	2,808
Gen X	1965–1980	46–61 years	8,990	26.8%	4,358	4,632
Baby Boomers	1946–1964	62–80 years	7,784	23.2%	3,842	3,942
Silent Generation	1928–1945	81–98 years	2,224	6.6%	920	1,304
Greatest Generation	before 1928	99+ years	22	0.1%	3	19
Total			33,605	100.0%	16,526	17,080

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).

San Marino Generations: Frequently Asked Questions

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

What is the largest generation in San Marino?

Gen X is the largest generation in San Marino, with 8,990 people (26.8%).

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

San Marino has 5,658 Gen Z, 5,570 Millennials and 7,784 Baby Boomers.

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

Gen Z is 16.8% of San Marino, the 20th-lowest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in San Marino?

The youngest generations, Gen Alpha and Gen Beta, together number 3,358 in San Marino, versus 2,246 in the oldest two, the Silent and Greatest generations.

How does the largest generation in San Marino compare with the world?

Gen X is 26.8% of San Marino, compared with 17.5% worldwide.

Explore Generation Data by Country

Other countries in Europe. See all 194 countries →