Boys' name · since 2010

Kojiro

6 babies named Kojiro in U.S. Social Security records since 2010, with the highest year being 2010. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

6
total births
2010–2010
years on record
2010s
peak decade
100%
born in that decade

Kojiro is not among the current top-ranked boys names; 6 have been recorded since 2010.

Social Security Administration records show Kojiro recorded 6 times among boys since 2010, though it doesn't currently rank among the most-used boys names, peaking in the 2010s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 2010 to 2010.

  • 6 total births
  • 2010–2010 years on record
  • 2010s peak decade
  • 100% born in that decade

Data updated Jul 2026

The verdict

6 boys have been named Kojiro since 2010, peaking in the 2010s, last recorded in 2010.

6
total births
2010–2010
years on record
2010s
peak decade
100%
born in that decade
2010s
Peak decade

100% of everyone ever named Kojiro was born in this single decade.

2010
Single peak year

6 babies were named Kojiro in 2010 - its busiest year on record.

Kojiro at a glance

Last recorded 2010

Total births

6

Since 2010

1 years of records

Peak year

2010

6 births that year

Strongest decade: 2010s

Current rank

Unranked

Outside the modern top-1,000

As of 2010

Active since

2010

Recorded for 1 years

Last year on file: 2010

Kojiro popularity over time

Annual U.S. births registered with the Social Security Administration · 2010–2010

Last recorded 2010
Peak year (2010)
6
Annual births at peak, across 1 years of records
6 2010 6

Kojiro by decade

Total births in each ten-year window, peak vs trough at a glance

2010s was Kojiro's strongest decade.

6 babies received the name during that ten-year window, about 100% of all-time use.

Kojiro births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 6 births (100% of all-time use).

Source U.S. Social Security Administration · Baby Names As of July 2026

Frequently Asked Questions

How popular is the name Kojiro?
Since 2010, Social Security records show 6 babies named Kojiro. The most recent recorded year was 2010. Its busiest year on record was 2010, with 6 births.
When was Kojiro most popular?
Kojiro was most popular in the 2010s decade with 6 total births. The single peak year was 2010.
How long has the name Kojiro been used?
The SSA has tracked Kojiro since 2010 -- 1 year through the most recent 2010 data.
What names are similar to Kojiro?
Names with a similar sound or spelling include Koji, Kojo, Kojak. These share a common prefix and are also used for boys.

Data Sources

Data as of July 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, 2010–2010 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Kojiro: Baby Name Since 2010 - 6 Births, Peak 2010." NameAlmanac. Accessed via https://namealmanac.com/name/kojiro. Licensed CC BY-SA 4.0.

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 Kojiro 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 July 2026.