Kojiro vs Kojo

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

Name A

Kojiro

Boy name

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Name B

Kojo

Boy name

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Which name is more popular?

Metric Kojiro Kojo
Current Rank Unranked Unranked
Total Births (all years) 6 334
Peak Year 2010 1999
Peak Year Births 6 12
Peak Decade 2010s 2000s
Gender Boy Boy
First Recorded Year 2010 1971

Births by Decade

Decade Kojiro Kojo
1970s - 49
1980s - 39
1990s - 70
2000s - 93
2010s 6 36
2020s - 47

Recent Annual Births (2014–present)

Year Kojiro Kojo
2015 - 6
2017 - 6
2019 - 11
2020 - 7
2021 - 8
2022 - 12
2023 - 9
2025 - 11

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, 2010–2010.

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