Kaiyzen vs Kai

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

Name A

Kaiyzen

Boy name

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Name B

Kai

Boy name · Rank #76

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Which name is more popular?

Metric Kaiyzen Kai
Current Rank Unranked #76
Total Births (all years) 87 66,409
Peak Year 2022 2022
Peak Year Births 67 5,366
Peak Decade 2020ss 2010ss
Gender Boy Boy
First Recorded Year 2022 1926

Births by Decade

Decade Kaiyzen 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 87 23,110

Recent Annual Births (2014–present)

Year Kaiyzen 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 67 5,366
2023 20 4,967
2024 — 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, 2022–2023.

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