How Many People Are Named Aja?
An estimated 8,047 people in the United States have the first name Aja. It is predominantly female (98.9%). The average bearer is 30 years old, and Aja peaked in popularity in 1978 with 510 births that year.
Below you will find a full statistical profile of Aja 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 Aja paired with any surname.
Key Insights
- While Aja is overwhelmingly female, 90 male births have been registered with this name since 1880.
Estimated Living Americans
8,047
About 1 in 42,594 people in the U.S.
Rarity
Rare
Predicted Gender
Female
98.9% confidence
Average Age
30
years old
Peak Year
1978
510 births
Total Registered
8,359
since 1880
Gender Distribution for Aja
Aja is predominantly female (98.9%), though 90 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Aja as a male name
Ranked #10,823 in 2017
6 male births in 2017
Peak: 1978 (19 births)
Aja as a female name
Ranked #2,594 in 2024
67 female births in 2024
Peak: 1978 (491 births)
Aja: Popularity Over Time
SSA records for Aja span from the 1960s to the 2020s, covering 7 decades of naming data. The most popular decade for this name was the 1980s, when 2,200 babies were registered. Aja has declined significantly from its peak in the 1980s. Recent registrations are a fraction of what they were at the name's height.
Aja by Decade
How has Aja 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.
Aja by State
Birth registrations for Aja span all 34 states and territories in the SSA database. The highest counts are in California, New York, Texas. The lowest are in Delaware, Oklahoma, Kentucky. On average, about 173 Ajas were registered per state.
Aja + Last Name Combinations
How many people share a full name with Aja as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Aja
Other first names starting with A with a similar number of bearers.
Aja: Questions and Answers
How many people in the U.S. are named Aja?
We estimate approximately 8,047 people named Aja 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 42,594 Americans share this first name.
Is Aja a common name?
Aja is classified as "Rare" and is more popular than 97.4% of all first names in the SSA database. A total of 8,359 births have been registered with this name since 1880.
When was Aja most popular?
Aja reached peak popularity in 1978, when 510 babies were given this name. The average age of a living person named Aja is approximately 30 years old, reflecting when the name was most commonly given.
Is Aja a female name?
Aja is predominantly female. 98.9% of people with this name are female. See the gender breakdown above for full details.
How many Aja Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Aja Smith, Aja Johnson, Aja 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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