Kaisen
Recorded for both sexesGen Alpha2025 rank
#800
up +102 places
2025 births
311
up +50 births
All-time births
2,625
12% of them in 2025
More common than
94%
of all archived spellings recorded for boys, by lifetime births for that sex
- Peak year
- 2025
- 311 births
- Best rank
- #800
- in 2025
- First recorded
- 2004
- #7,268 that year
- Last recorded
- 2025
- still in the data
- Average birth year
- 2019
- weighted by recorded births
- Years recorded
- 22 of 146
- unbroken
Top five years
- 2025311#800Peak
- 2024261#902
- 2022254#910
- 2023241#937
- 2021214#1,026
Rank over time
Inverted scale — nearer the top is more popular. Unrecorded years are left blank, not drawn as zero.
Best rank #800 in 2025 · peak births 311 in 2025
Boys and girls
Births per year for each sex, on one shared scale. The girls' series is dashed.
● 100% boys■ 0% girls
2,625 boys · 12 girls, all time
Births by decade
Where the name's whole run sits, with the best and worst rank it held in each decade
Trajectory by decade
Where Kaisen has ranked, decade by decade
The band spans each decade's best and worst rank; the line follows its best.