Boys' name · since 1919
Kotaro
194 babies named Kotaro in U.S. Social Security records since 1919, with the highest year being 2010. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #13,153 of 45,481
- all-time among boys
- 194
- born since 1919
- 2000s
- peak decade
Kotaro sits outside today's top ranks for boys, with 194 recorded since 1919.
According to the U.S. Social Security Administration, Kotaro has been recorded 194 times among boys since 1919, though it is not among the currently most-used boys names, with its heaviest use in the 2000s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1919 to 2023.
- #13,153 of 45,481 all-time among boys
- 194 born since 1919
- 2000s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Kotaro ranks #13,153 of 45,481 boys' names by all-time recorded births (highest first). 194 born since 1919, peaking in the 2000s.
- #13,153 of 45,481
- all-time among boys
- 194
- born since 1919
- 2000s
- peak decade
Kotaro's 194 recorded births place it above 71.03% of the 45,481 boys names in the full SSA archive.
The state file records this name in 2 jurisdictions, led by California.
Kotaro's usage pattern, beyond the headline number
Kotaro splits its recorded history at 2008: 54% of all births land in the more recent half, 46% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1919 (5 births) -- compare that against the 2010 peak of 15 for a sense of just how much the name's popularity has swung.
Kotaro popularity over time
Annual U.S. births registered with the Social Security Administration · 1919–2023
- Peak year (2010)
- 15
- Annual births at peak, across 105 years of records
Kotaro by decade
2000s is the heaviest window (73 births, 38% of the file).
2000s was Kotaro's strongest decade.
73 babies received the name during that ten-year window, about 38% of all-time use.
Kotaro births by decade
Total births in each ten-year window
- 1910s 5
1910s
5 births
- 1990s 27
1990s
27 births
- 2000s
2000s
73 births
- 2010s
2010s
71 births
- 2020s 18
2020s
18 births
What this shows Peak: 2000s at 73 births (38% of all-time use).
Kotaro by state
Where Kotaro concentrates geographically, total births since 1919
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 12 | 6.2% |
| #2 | Hawaii | | 5 | 2.6% |
12 of 194 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
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What to do with Kotaro's data
- Kotaro's decade-level peak was the 2000s (73 total births); usage has since declined to 18 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Kotaros (12 births) -- see the full state breakdown if geography matters to your decision. California names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Kotaro
Nearby Names Like Kotaro
Names with a similar sound, spelling, or feel to Kotaro
Compare Kotaro side by side: Kotaro vs Kota Kotaro vs Koty Kotaro vs Kotah
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Kotaro: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2010)
Similar record span (~104 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1919–2023 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Kotaro draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.