Kaizan vs Kai

Side-by-side comparison of Kaizan and Kai — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.

Name A

Kaizan

Boy name · Rank #12224

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Name B

Kai

Boy name · Rank #76

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Which name is more popular?

Metric Kaizan Kai
Current Rank #12224 #76
Total Births (all years) 6 66,409
Peak Year 2024 2022
Peak Year Births 6 5,366
Peak Decade 2020ss 2010ss
Gender Boy Boy
First Recorded Year 2024 1926

Births by Decade

Decade Kaizan Kai
1920ss — 6
1930ss — 6
1940ss — 10
1950ss — 148
1960ss — 341
1970ss — 593
1980ss — 960
1990ss — 2,639
2000ss — 12,620
2010ss — 25,976
2020ss 6 23,110

Recent Annual Births (2014–present)

Year Kaizan Kai
2014 — 2,411
2015 — 2,852
2016 — 2,895
2017 — 3,155
2018 — 3,462
2019 — 3,741
2020 — 3,863
2021 — 4,638
2022 — 5,366
2023 — 4,967
2024 6 4,276

Data Sources

Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, ssa.gov/oact/babynames.
Source: SSA Annual Name Rankings, 2024–2024.

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