Kaien vs Kai

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

Name A

Kaien

Boy name · Rank #8078

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Name B

Kai

Boy name · Rank #76

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Which name is more popular?

Metric Kaien Kai
Current Rank #8078 #76
Total Births (all years) 127 66,409
Peak Year 2016 2022
Peak Year Births 14 5,366
Peak Decade 2010ss 2010ss
Gender Boy Boy
First Recorded Year 2005 1926

Births by Decade

Decade Kaien Kai
1920ss — 6
1930ss — 6
1940ss — 10
1950ss — 148
1960ss — 341
1970ss — 593
1980ss — 960
1990ss — 2,639
2000ss 18 12,620
2010ss 77 25,976
2020ss 32 23,110

Recent Annual Births (2014–present)

Year Kaien Kai
2014 8 2,411
2015 5 2,852
2016 14 2,895
2017 8 3,155
2018 8 3,462
2019 — 3,741
2020 8 3,863
2021 6 4,638
2022 8 5,366
2023 — 4,967
2024 10 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, 2005–2024.

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