Koji vs Olivia

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

Name A

Koji

Boy name · Rank #4209

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Name B

Olivia

Girl name · Rank #1

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Which name is more popular?

Metric Koji Olivia
Current Rank #4209 #1
Total Births (all years) 611 553,664
Peak Year 2023 2014
Peak Year Births 33 19,836
Peak Decade 2010ss 2010ss
Gender Boy Girl
First Recorded Year 1922 1880

Births by Decade

Decade Koji Olivia
1880ss — 618
1890ss — 1,099
1900ss — 1,575
1910ss — 3,545
1920ss 16 4,982
1930ss — 3,922
1940ss — 7,201
1950ss — 6,100
1960ss — 4,015
1970ss 27 7,849
1980ss 65 14,061
1990ss 73 75,913
2000ss 146 156,048
2010ss 169 184,528
2020ss 115 82,208

Recent Annual Births (2014–present)

Year Koji Olivia
2014 15 19,836
2015 17 19,726
2016 28 19,409
2017 13 18,777
2018 14 18,055
2019 15 18,569
2020 12 17,682
2021 19 17,841
2022 26 16,654
2023 33 15,313
2024 25 14,718

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, 1922–2024.

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