Born in 2018: your generation in Japan
- Age in 2026
- 8
- People this age
- 949,721
- Rank among 101 ages
- #78
- Turns 65 in
- 2083
- Workers per retiree in 2083
- 1.4
The 2026 population pyramid of Japan; the highlighted row is the 2018 cohort.
This generation, then and now
People born in 2018 in Japan are 8 years old in 2026. There are about 949,721 of them, the 78th most numerous single year of age out of 101.
The cohort started at about 910,562 (children aged 0 at the beginning of 2019). Babies born around 2026 number about 750,581, 82% of that.
This cohort turns 65 in 2083. Japan is then projected to have 82.9 million people, 37.2% of them aged 65 or over, with 1.4 people of working age (15–64) per person aged 65+, compared with 2.0 in 2026.
Following the cohort over time, it is projected to number about 943,720 in 2100 (age 82), from 937,044 at the start; deaths and migration change the count each year.
Figures from 2024 are UN medium-variant projections.
How the cohort changes over time
People of this cohort each year from birth to age 100. In countries with much immigration the cohort can grow for a while.