How Many People Are Named Deja?
An estimated 15,895 people in the United States have the first name Deja. It is predominantly female (99.5%). The average bearer is 26 years old, and Deja peaked in popularity in 1996 with 1,647 births that year.
Below you will find a full statistical profile of Deja 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 Deja paired with any surname.
Key Insights
- While Deja is overwhelmingly female, 86 male births have been registered with this name since 1880.
Estimated Living Americans
15,895
About 1 in 21,564 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
99.5% confidence
Average Age
26
years old
Peak Year
1996
1,647 births
Total Registered
16,301
since 1880
Gender Distribution for Deja
Deja is almost exclusively a female name. Out of 16,301 total births registered, 99.5% were female.
Deja as a male name
Ranked #11,766 in 2004
5 male births in 2004
Peak: 1995 (13 births)
Deja as a female name
Ranked #2,850 in 2024
58 female births in 2024
Peak: 1996 (1,638 births)
Deja: Popularity Over Time
SSA records for Deja span from the 1960s to the 2020s, covering 7 decades of naming data. The most popular decade for this name was the 1990s, when 8,319 babies were registered. Deja has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Deja by Decade
How has Deja 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.
Deja by State
Birth registrations for Deja span all 42 states and territories in the SSA database. The highest counts are in California, Texas, Illinois. The lowest are in West Virginia, Nebraska, Iowa. On average, about 337 Dejas were registered per state.
Deja + Last Name Combinations
How many people share a full name with Deja as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Deja
Other first names starting with D with a similar number of bearers.
Deja: Questions and Answers
How many people in the U.S. are named Deja?
We estimate approximately 15,895 people named Deja 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 21,564 Americans share this first name.
Is Deja a common name?
Deja is classified as "Uncommon" and is more popular than 98.3% of all first names in the SSA database. A total of 16,301 births have been registered with this name since 1880.
When was Deja most popular?
Deja reached peak popularity in 1996, when 1,647 babies were given this name. The average age of a living person named Deja is approximately 26 years old, reflecting when the name was most commonly given.
Is Deja a female name?
Deja is predominantly female. 99.5% of people with this name are female. See the gender breakdown above for full details.
How many Deja Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Deja Smith, Deja Johnson, Deja 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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