Kaiyo vs Kai

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

Name A

Kaiyo

Boy name

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Name B

Kai

Boy name · Rank #76

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Which name is more popular?

Metric Kaiyo Kai
Current Rank Unranked #76
Total Births (all years) 27 66,409
Peak Year 2019 2022
Peak Year Births 8 5,366
Peak Decade 2020ss 2010ss
Gender Boy Boy
First Recorded Year 2019 1926

Births by Decade

Decade Kaiyo Kai
1920ss — 6
1930ss — 6
1940ss — 10
1950ss — 148
1960ss — 341
1970ss — 593
1980ss — 960
1990ss — 2,639
2000ss — 12,620
2010ss 8 25,976
2020ss 19 23,110

Recent Annual Births (2014–present)

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

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