Kaizyn vs Kai

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

Name A

Kaizyn

Boy name · Rank #2826

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Name B

Kai

Boy name · Rank #76

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Which name is more popular?

Metric Kaizyn Kai
Current Rank #2826 #76
Total Births (all years) 144 66,409
Peak Year 2024 2022
Peak Year Births 46 5,366
Peak Decade 2020ss 2010ss
Gender Boy Boy
First Recorded Year 2018 1926

Births by Decade

Decade Kaizyn Kai
1920ss — 6
1930ss — 6
1940ss — 10
1950ss — 148
1960ss — 341
1970ss — 593
1980ss — 960
1990ss — 2,639
2000ss — 12,620
2010ss 13 25,976
2020ss 131 23,110

Recent Annual Births (2014–present)

Year Kaizyn Kai
2014 — 2,411
2015 — 2,852
2016 — 2,895
2017 — 3,155
2018 7 3,462
2019 6 3,741
2020 10 3,863
2021 12 4,638
2022 28 5,366
2023 35 4,967
2024 46 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, 2018–2024.

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