Kaio vs Kai

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

Name A

Kaio

Boy name · Rank #4146

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Name B

Kai

Boy name · Rank #76

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Which name is more popular?

Metric Kaio Kai
Current Rank #4146 #76
Total Births (all years) 407 66,409
Peak Year 2023 2022
Peak Year Births 26 5,366
Peak Decade 2010ss 2010ss
Gender Boy Boy
First Recorded Year 1993 1926

Births by Decade

Decade Kaio Kai
1920ss — 6
1930ss — 6
1940ss — 10
1950ss — 148
1960ss — 341
1970ss — 593
1980ss — 960
1990ss 19 2,639
2000ss 115 12,620
2010ss 167 25,976
2020ss 106 23,110

Recent Annual Births (2014–present)

Year Kaio Kai
2014 19 2,411
2015 9 2,852
2016 15 2,895
2017 13 3,155
2018 20 3,462
2019 18 3,741
2020 18 3,863
2021 19 4,638
2022 17 5,366
2023 26 4,967
2024 26 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, 1993–2024.

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