How Many People Are Named Japhet?
An estimated 266 people in the United States have the first name Japhet. It is almost exclusively a male name. The average bearer is 18 years old, and Japhet peaked in popularity in 2015 with 16 births that year.
Below you will find a full statistical profile of Japhet 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 Japhet paired with any surname.
Estimated Living Americans
266
About 1 in 1,288,550 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
18
years old
Peak Year
2015
16 births
Total Registered
270
since 1880
Gender Distribution for Japhet
Japhet is almost exclusively a male name. Out of 270 total births registered, 100.0% were male.
Japhet as a male name
Ranked #13,045 in 2024
5 male births in 2024
Peak: 2015 (16 births)
Japhet: Popularity Over Time
SSA records for Japhet span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2000s, when 101 babies were registered. While Japhet is less common than at its peak in the 2000s, it remains a well-established name with steady registrations.
Japhet by Decade
How has Japhet 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.
Japhet by State
Japhet + Last Name Combinations
How many people share a full name with Japhet as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Japhet
Other first names starting with J with a similar number of bearers.
Japhet: Questions and Answers
How many people in the U.S. are named Japhet?
We estimate approximately 266 people named Japhet 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 1,288,550 Americans share this first name.
Is Japhet a common name?
Japhet is classified as "Very Rare" and is more popular than 77.8% of all first names in the SSA database. A total of 270 births have been registered with this name since 1880.
When was Japhet most popular?
Japhet reached peak popularity in 2015, when 16 babies were given this name. The average age of a living person named Japhet is approximately 18 years old, reflecting when the name was most commonly given.
Is Japhet a male name?
Japhet is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Japhet Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Japhet Smith, Japhet Johnson, Japhet 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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