Rudi vs Rudolf

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

Name A

Rudi

Boy name · Rank #10002

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Name B

Rudolf

Boy name · Rank #10910

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Which name is more popular?

Metric Rudi Rudolf
Current Rank #10002 #10910
Total Births (all years) 753 2,951
Peak Year 1978 1927
Peak Year Births 19 82
Peak Decade 1980ss 1920ss
Gender Boy Boy
First Recorded Year 1931 1882

Births by Decade

Decade Rudi Rudolf
1880ss — 11
1890ss — 17
1900ss — 62
1910ss — 407
1920ss — 585
1930ss 18 419
1940ss 22 323
1950ss 80 349
1960ss 110 221
1970ss 104 173
1980ss 121 137
1990ss 109 104
2000ss 90 69
2010ss 61 41
2020ss 38 33

Recent Annual Births (2014–present)

Year Rudi Rudolf
2015 12 —
2016 5 7
2017 8 8
2018 8 8
2019 8 7
2020 6 8
2021 5 5
2022 11 8
2023 9 6
2024 7 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, 1931–2024.

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