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

In Costa Rica, Millennials are the largest generation: 1,293,824 people, 25.0% of the population.

Population on 1 July 2026, UN World Population Prospects 2024 (medium variant). See the population pyramid for Costa Rica.

  • Gen Beta — 75,351 (1.5%)
  • Gen Alpha — 740,027 (14.3%)
  • Gen Z — 1,186,054 (22.9%)
  • Millennials — 1,293,824 (25.0%)
  • Gen X — 996,880 (19.3%)
  • Baby Boomers — 745,284 (14.4%)
  • Silent Generation — 135,691 (2.6%)
  • Greatest Generation — 1,678 (<0.1%)
5,174,789
people on 1 July 2026
25.0%
Millennials — the largest generation
22.9%
Gen Z share, the 78th-lowest of the 194 countries
815,378
under 14 (Gen Alpha + Gen Beta)
137,369
aged 81+ (Silent + Greatest)

Generation Population Distribution - Costa Rica

Gen Beta: 1.5%
Gen Alpha: 14.3%
Gen Z: 22.9%
Millennials: 25.0%
Gen X: 19.3%
Baby Boomers: 14.4%
Silent Generation: 2.6%
Greatest Generation: <0.1%

Generation Breakdown by Population - Costa Rica

Total Population: 5,174,789

GenerationBirth YearsAge Range (2026)Population% of TotalMaleFemale
Gen Beta
2025–20390–1 years75,3511.5%38,50736,844
Gen Alpha
2013–20242–13 years740,02714.3%377,859362,168
Gen Z
1997–201214–29 years1,186,05422.9%604,510581,545
Millennials
1981–199630–45 years1,293,82425.0%651,380642,443
Gen X
1965–198046–61 years996,88019.3%480,613516,268
Baby Boomers
1946–196462–80 years745,28414.4%348,192397,092
Silent Generation
1928–194581–98 years135,6912.6%54,65281,039
Greatest Generation
before 192899+ years1,678<0.1%3221,355
Total5,174,789100.0%2,556,0362,618,752

Population on 1 July 2026, UN World Population Prospects 2024 (medium variant). Generation definitions: Pew Research Center (Silent–Gen Z); McCrindle Research (Gen Alpha, Gen Beta).

Costa Rica Generations: Frequently Asked Questions

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

What is the largest generation in Costa Rica?

Millennials are the largest generation in Costa Rica, with 1,293,824 people (25.0%).

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

Costa Rica has 1,186,054 Gen Z, 1,293,824 Millennials and 745,284 Baby Boomers.

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

Gen Z is 22.9% of Costa Rica, the 78th-lowest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in Costa Rica?

The youngest generations, Gen Alpha and Gen Beta, together number 815,378 in Costa Rica, versus 137,369 in the oldest two, the Silent and Greatest generations.

How does the largest generation in Costa Rica compare with the world?

Millennials are 25.0% of Costa Rica, compared with 22.5% worldwide.

Explore Generation Data by Country

Compare generation sizes across 194 countries. See how many Millennials, Gen Z, Boomers, and other generations live in each country on UN population data.