Kosei vs Koston

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

Name A

Kosei

Boy name

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Name B

Koston

Boy name

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Which name is more popular?

Metric Kosei Koston
Current Rank Unranked Unranked
Total Births (all years) 90 257
Peak Year 2008 2010
Peak Year Births 9 25
Peak Decade 2010ss 2010ss
Gender Boy Boy
First Recorded Year 2000 2002

Births by Decade

Decade Kosei Koston
2000ss 40 68
2010ss 43 155
2020ss 7 34

Recent Annual Births (2014–present)

Year Kosei Koston
2014 5 10
2015 — 12
2016 5 18
2017 — 13
2018 6 13
2019 5 11
2020 7 7
2021 — 10
2022 — 11
2023 — 6

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, 2000–2020.

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