Yoshiko vs Yoshio

Babies given each name, 1880–2025

Yoshiko Yoshio

Each line is every baby given the name that year, girls and boys added together — the only count that means the same thing for both names. A line breaks where the name fell below five babies in a year — the point at which the SSA stops publishing it — rather than being drawn through a figure nobody published. A single published year in a gap shows as a dot.

Who was ahead

Of the 75 years in which either name was published, Yoshiko for 43 years and Yoshio for 32 years. The lead changed hands 21 times.

• 1906–1911 Yoshiko ahead
• 1914–1918 Yoshio ahead
• 1919–1928 Yoshiko ahead
• 1931–1933 Yoshio ahead
• 1934–1981 Yoshiko ahead, apart from one short spell
• 1985–1989 Yoshio ahead
• 1990–1992 Yoshiko ahead
• 1995–2021 Yoshio ahead, apart from one short spell

12 shorter spells of a year or two are folded into the spans above rather than listed separately.

Side by side

A rank is a position within one sex’s list for one year, so the two rank rows are not subtracted from one another and the winning column is not marked on them. The living figure is a life-table estimate, not a count.

Which name is older

Half of the Yoshikos alive today are over 48; half the Yoshios are over 34. That is 14 years between them: two names in use at the same time, worn by two different generations.

Where each one is strongest

• Yoshiko Hawaii (171.6×), California (4.3×), Washington (2.2×)
• Yoshio Hawaii (188.1×), California (3.9×)

How much commoner the name is in that state than it is nationally, from births recorded since 1910.

Compare something else

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• Yoshio vs Yoselyn