How Many People Are Named Kaizen?
An estimated 2,149 people in the United States have the first name Kaizen. It is predominantly male (98.8%). The average bearer is 5 years old, and Kaizen peaked in popularity in 2024 with 611 births that year.
Below you will find a full statistical profile of Kaizen as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Kaizen paired with any surname.
Key Insights
- Kaizen is a modern name. With an average bearer age of just 5, it has gained most of its popularity in recent years.
Estimated Living Americans
2,149
About 1 in 159,495 people in the U.S.
Rarity
Rare
Predicted Gender
Male
98.8% confidence
Average Age
5
years old
Peak Year
2024
611 births
Total Registered
2,164
since 1880
Gender Distribution for Kaizen
Kaizen is predominantly male (98.8%), though 26 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Kaizen as a male name
Ranked #506 in 2024
602 male births in 2024
Peak: 2024 (602 births)
Kaizen as a female name
Ranked #10,624 in 2024
9 female births in 2024
Peak: 2024 (9 births)
Kaizen: Popularity Over Time
SSA records for Kaizen span from the 2000s to the 2020s, covering 3 decades of naming data. The most popular decade for this name was the 2020s, when 1,628 babies were registered. Kaizen remains highly popular today, with recent registration numbers near its historical peak.
Kaizen by Decade
How has Kaizen tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Kaizen by State
Birth registrations for Kaizen span all 37 states and territories in the SSA database. The highest counts are in Texas, California, Hawaii. The lowest are in New Mexico, Nebraska, Iowa. On average, about 42 Kaizens were registered per state.
Kaizen + Last Name Combinations
How many people share a full name with Kaizen as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kaizen
Other first names starting with K with a similar number of bearers.
Kaizen: Questions and Answers
How many people in the U.S. are named Kaizen?
We estimate approximately 2,149 people named Kaizen are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 159,495 Americans share this first name.
Is Kaizen a common name?
Kaizen is classified as "Rare" and is more popular than 94% of all first names in the SSA database. A total of 2,164 births have been registered with this name since 1880.
When was Kaizen most popular?
Kaizen reached peak popularity in 2024, when 611 babies were given this name. The average age of a living person named Kaizen is approximately 5 years old, reflecting when the name was most commonly given.
Is Kaizen a male name?
Kaizen is predominantly male. 98.8% of people with this name are male. See the gender breakdown above for full details.
How many Kaizen Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kaizen Smith, Kaizen Johnson, Kaizen Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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