How Many People Are Named Aj?
An estimated 2,375 people in the United States have the first name Aj. It is predominantly male (98.2%). The average bearer is 20 years old, and Aj peaked in popularity in 2012 with 92 births that year.
Below you will find a full statistical profile of Aj 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 Aj paired with any surname.
Estimated Living Americans
2,375
About 1 in 144,318 people in the U.S.
Rarity
Rare
Predicted Gender
Male
98.2% confidence
Average Age
20
years old
Peak Year
2012
92 births
Total Registered
2,419
since 1880
Gender Distribution for Aj
Aj is predominantly male (98.2%), though 43 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Aj as a male name
Ranked #2,334 in 2024
60 male births in 2024
Peak: 2012 (86 births)
Aj as a female name
Ranked #8,419 in 2020
12 female births in 2020
Peak: 2020 (12 births)
Aj: Popularity Over Time
SSA records for Aj span from the 1960s to the 2020s, covering 7 decades of naming data. The most popular decade for this name was the 2010s, when 766 babies were registered. While Aj is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Aj by Decade
How has Aj 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.
Aj by State
Birth registrations for Aj span all 11 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in Utah, Oregon, Michigan. On average, about 62 Ajs were registered per state.
Aj + Last Name Combinations
How many people share a full name with Aj as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Aj
Other first names starting with A with a similar number of bearers.
Aj: Questions and Answers
How many people in the U.S. are named Aj?
We estimate approximately 2,375 people named Aj 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 144,318 Americans share this first name.
Is Aj a common name?
Aj is classified as "Rare" and is more popular than 94.4% of all first names in the SSA database. A total of 2,419 births have been registered with this name since 1880.
When was Aj most popular?
Aj reached peak popularity in 2012, when 92 babies were given this name. The average age of a living person named Aj is approximately 20 years old, reflecting when the name was most commonly given.
Is Aj a male name?
Aj is predominantly male. 98.2% of people with this name are male. See the gender breakdown above for full details.
How many Aj Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Aj Smith, Aj Johnson, Aj 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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