How Many People Are Named Kazuki?
An estimated 375 people in the United States have the first name Kazuki. It is almost exclusively a male name. The average bearer is 22 years old, and Kazuki peaked in popularity in 1998 with 20 births that year.
Below you will find a full statistical profile of Kazuki 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 Kazuki paired with any surname.
Estimated Living Americans
375
About 1 in 914,012 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
22
years old
Peak Year
1998
20 births
Total Registered
381
since 1880
Gender Distribution for Kazuki
Kazuki is almost exclusively a male name. Out of 381 total births registered, 100.0% were male.
Kazuki as a male name
Ranked #13,240 in 2024
5 male births in 2024
Peak: 1998 (20 births)
Kazuki: Popularity Over Time
SSA records for Kazuki span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 1990s, when 133 babies were registered. Kazuki has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Kazuki by Decade
How has Kazuki 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.
Kazuki by State
Kazuki + Last Name Combinations
How many people share a full name with Kazuki as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kazuki
Other first names starting with K with a similar number of bearers.
Kazuki: Questions and Answers
How many people in the U.S. are named Kazuki?
We estimate approximately 375 people named Kazuki 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 914,012 Americans share this first name.
Is Kazuki a common name?
Kazuki is classified as "Very Rare" and is more popular than 81.7% of all first names in the SSA database. A total of 381 births have been registered with this name since 1880.
When was Kazuki most popular?
Kazuki reached peak popularity in 1998, when 20 babies were given this name. The average age of a living person named Kazuki is approximately 22 years old, reflecting when the name was most commonly given.
Is Kazuki a male name?
Kazuki is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Kazuki Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kazuki Smith, Kazuki Johnson, Kazuki 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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