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Caiden vs Caio

American parents have registered 23,862 Caidens since 1880, against 722 Caios. Caiden is still ahead, with 475 babies in 2025.

Babies given each name, 1880–2025

Births per year: Caiden against Caio, 1880 to 2025 0 400 800 1.2k 1.6k 1880 1900 1920 1940 1960 1980 2000 2020

Caiden Caio

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 36 years in which either name was published, Caiden for 34 years and Caio for 2 years. The lead changed hands 2 times.

Side by side

  Caiden Caio
Total US births 23,862722
Most in one year 1,44540
Babies in 2025 47535
Estimated living today 24,000710
Median age today 1212
Peak year 20082023
Best rank 250th boys3,055th boys
Rank in 2025 602nd3,314th
First recorded 19901990
Girls / boys 521 / 23,3410 / 722

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.

Where each one is strongest

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

Both names abroad

Countries whose statistics office publishes both names, so the comparison can be made somewhere other than the United States.

Country Caiden Caio
England and Wales 2,226590
Ireland 29310
France 15 Caïden10

Every spelling a country files separately is added together, over whatever years that country publishes — which is not the same range in any two of them, so read the columns against each other and not the rows.

Compare something else

Related comparisons

Social Security Administration birth records, 1880–2025, public domain. Full histories: Caiden and Caio.