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

By Marko Visic ยท Updated

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

In Indonesia, Gen Z is the largest generation: 73,236,762 people, 25.4% of the population.

See the population pyramid for Indonesia.

  • Gen Beta: 6,549,991 (2.3%)
  • Gen Alpha: 54,704,874 (19.0%)
  • Gen Z: 73,236,762 (25.4%)
  • Millennials: 67,224,460 (23.4%)
  • Gen X: 55,126,483 (19.1%)
  • Baby Boomers: 28,129,485 (9.8%)
  • Silent Generation: 2,909,670 (1.0%)
  • Greatest Generation: 5,058 (<0.1%)
287,886,782
people on 1 July 2026
25.4%
Gen Z, the largest generation
25.4%
Gen Z share, the 96th-lowest of the 194 countries
61,254,865
under 14 (Gen Alpha + Gen Beta)
2,914,728
aged 81+ (Silent + Greatest)

Generation Population Distribution - Indonesia

Gen Beta: 2.3%
Gen Alpha: 19.0%
Gen Z: 25.4%
Millennials: 23.4%
Gen X: 19.1%
Baby Boomers: 9.8%
Silent Generation: 1.0%
Greatest Generation: <0.1%

Generation Breakdown by Population - Indonesia

Total Population: 287,886,782

GenerationPopulation
Gen Beta
6,549,991
Gen Alpha
54,704,874
Gen Z
73,236,762
Millennials
67,224,460
Gen X
55,126,483
Baby Boomers
28,129,485
Silent Generation
2,909,670
Greatest Generation
5,058
Total287,886,782

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).

Indonesia Generations: Frequently Asked Questions

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

What is the largest generation in Indonesia?

Gen Z is the largest generation in Indonesia, with 73,236,762 people (25.4%).

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

Indonesia has 73,236,762 Gen Z, 67,224,460 Millennials and 28,129,485 Baby Boomers.

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

Gen Z is 25.4% of Indonesia, the 96th-lowest Gen Z share of the 194 countries.

How do the youngest and oldest generations compare in Indonesia?

The youngest generations, Gen Alpha and Gen Beta, together number 61,254,865 in Indonesia, versus 2,914,728 in the oldest two, the Silent and Greatest generations.

How does the largest generation in Indonesia compare with the world?

Gen Z is 25.4% of Indonesia, compared with 24.7% worldwide.