Janeiro vs Jan

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

Name A

Janeiro

Boy name

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Name B

Jan

Girl name

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Which name is more popular?

Metric Janeiro Jan
Current Rank Unranked Unranked
Total Births (all years) 6 54,531
Peak Year 1974 1956
Peak Year Births 6 3,201
Peak Decade 1970ss 1950ss
Gender Boy Girl
First Recorded Year 1974 1911

Births by Decade

Decade Janeiro Jan
1910ss — 110
1920ss — 323
1930ss — 1,787
1940ss — 8,717
1950ss — 26,169
1960ss — 12,827
1970ss 6 3,095
1980ss — 1,126
1990ss — 230
2000ss — 87
2010ss — 45
2020ss — 15

Recent Annual Births (2014–present)

Year Janeiro Jan
2015 — 8
2016 — 5
2019 — 5
2020 — 5
2021 — 5
2025 — 5

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, 1974–1974.

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