How Many People Are Named Bj?
An estimated 693 people in the United States have the first name Bj. It is predominantly male (99.3%). The average bearer is 36 years old, and Bj peaked in popularity in 1982 with 41 births that year.
Below you will find a full statistical profile of Bj 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 Bj paired with any surname.
Estimated Living Americans
693
About 1 in 494,595 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
99.3% confidence
Average Age
36
years old
Peak Year
1982
41 births
Total Registered
723
since 1880
Gender Distribution for Bj
Bj is almost exclusively a male name. Out of 723 total births registered, 99.3% were male.
Bj as a male name
Ranked #10,007 in 2024
7 male births in 2024
Peak: 1982 (41 births)
Bj as a female name
Ranked #12,606 in 1989
5 female births in 1989
Peak: 1989 (5 births)
Bj: Popularity Over Time
SSA records for Bj span from the 1960s to the 2020s, covering 7 decades of naming data. The most popular decade for this name was the 1980s, when 258 babies were registered. Bj has declined significantly from its peak in the 1980s. Recent registrations are a fraction of what they were at the name's height.
Bj by Decade
How has Bj 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.
Bj by State
Birth registrations for Bj span all 5 states and territories in the SSA database. The highest counts are in Texas, Hawaii, California. The lowest are in Oklahoma, Illinois, California. On average, about 9 Bjs were registered per state.
Bj + Last Name Combinations
How many people share a full name with Bj as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Bj
Other first names starting with B with a similar number of bearers.
Bj: Questions and Answers
How many people in the U.S. are named Bj?
We estimate approximately 693 people named Bj 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 494,595 Americans share this first name.
Is Bj a common name?
Bj is classified as "Very Rare" and is more popular than 87.5% of all first names in the SSA database. A total of 723 births have been registered with this name since 1880.
When was Bj most popular?
Bj reached peak popularity in 1982, when 41 babies were given this name. The average age of a living person named Bj is approximately 36 years old, reflecting when the name was most commonly given.
Is Bj a male name?
Bj is predominantly male. 99.3% of people with this name are male. See the gender breakdown above for full details.
How many Bj Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Bj Smith, Bj Johnson, Bj 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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