Is Kaizen a boy or girl name?

Kaizen is a boy’s name. Of the 3,070 Americans recorded with the name since 1880, 1.0% were girls and 99.0% were boys.

Kaizen

Recorded 2004–2025 · United States

Kaizen was most popular in 2025, when 900 American babies were given the name — ranking #713 that year. In 2025 it ranked #713, with 900 births. Across 1880–2025 the Social Security Administration has recorded 3,070 people named Kaizen.

Kaizen over time

Births per year. The dot marks Kaizen’s peak in 2025. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Kaizen a boy’s or a girl’s name?

Across the whole record Kaizen is a boy’s name — 1.0% of the 3,070 Americans given it were girls and 99.0% were boys. In births since 2016 it is 1% girls and 99% boys.

Counted from every US birth the Social Security Administration recorded under this name, so it reflects use rather than opinion. A name given to fewer than five babies of one sex in a year is withheld at source and is not counted.

Names that peaked alongside Kaizen

Where Kaizen is most concentrated

How much more common the name is in each state than across the country as a whole.

Explore further

See Kaizen on the interactive charts

Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org