Baby Names US
boys' name ★ peaked 1982

Bj

Gender Boy · 1% girls Rank 2025 Below top lists
Rank 2025
–
among boys
Babies in 2025
<5
named Bj
How common
–
boys born in 2025
Peak year
1982
41 babies
All-time total
723
#6,331 all-time among boys
First recorded
1964
in Social Security records

Bj popularity over time

723 babies have been named Bj since 1964, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
0.010.010.020.0318801900192019401960198020002020BoysGirls
BoysGirls

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Girls Boys Total Per year Change Best rank
1880s – – – – – –
1890s – – – – – –
1900s – – – – – –
1910s – – – – – –
1920s – – – – – –
1930s – – – – – –
1940s – – – – – –
1950s – – – – – –
1960s – 11 11 1 – #3,581
1970s – 150 150 15 +1264% #1,724
1980s 5 253 258 26 +72% #1,518
1990s – 136 136 14 -47% #2,965
2000s – 91 91 9 -33% #5,321
2010s – 54 54 5 -41% #6,736
2020s (to 2025) – 23 23 4 -29% #7,153

The story of Bj

Bj is not currently in use for newborns in the United States: fewer than five babies received the name in 2025. Its story lives in the historical record below.

Since 1964, 723 American babies have been named Bj. Its peak came in 1982, when 41 newborns received the name, the signature sound of the 1980s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Bj stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Bj?

The median living Bj is about 38 years old; half are between 26 and 45. An estimated 700 people named Bj are alive in the United States today.

median 38 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Bj year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Girls Girls rank Boys Boys rank
2025 – – – –
2024 – – 7 #10,044
2023 – – – –
2022 – – – –
2021 – – 11 #7,153
2020 – – 5 #12,275
2019 – – 6 #10,972
2018 – – – –
2017 – – – –
2016 – – – –
2015 – – 7 #9,696
2014 – – 6 #10,883
2013 – – 11 #7,089
2012 – – 6 #10,956
2011 – – 6 #10,983
2010 – – 12 #6,736
2009 – – 7 #9,994
2008 – – 8 #9,099
2007 – – 8 #9,018
2006 – – 10 #7,492
2005 – – 10 #7,179
2004 – – 6 #10,110
2003 – – 6 #9,715
2002 – – 11 #6,135
2001 – – 12 #5,707
2000 – – 13 #5,321
1995 – – 13 #4,539
1990 – – 21 #2,965
1985 – – 16 #2,955
1980 – – 36 #1,622
1975 – – 14 #2,771
1970 – – 7 #3,881
1965 – – 6 #3,581
1960 – – – –
1955 – – – –
1950 – – – –
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Famous people named Bj

The most globally famous bearers of the name, ranked by fame across Wikipedia editions (Pantheon project, MIT).

  1. 1 B.J. Penn B.J. Penn American mixed martial arts fighter b. 1978 · Contemporary

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

Quick answers about Bj, drawn from the same Social Security data as the charts above.

How old is the average Bj?

The median living Bj is about 38 years old. Half of all living Bjs are between 26 and 45 years old.

How many people named Bj are alive today?

An estimated 700 people named Bj are alive in the United States, based on 723 recorded births and Social Security life tables.

How popular is the name Bj in 2025?

Bj did not appear in the 2025 Social Security data, which means fewer than five babies received the name that year.

How many people are named Bj?

723 babies have been named Bj in the United States since 1964, based on Social Security card applications.

When was the name Bj most popular?

Bj peaked in 1982, when 41 newborns received the name.

Is Bj a boy or girl name?

Bj is overwhelmingly a boy's name: 99% of babies with the name.

Is the name Bj rising or falling?

Bj is declining, less popular now than a decade ago.

Who are famous people named Bj?

Well-known people named Bj include B.J. Penn (martial arts).

Names like Bj

Names that sound and feel close to Bj: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Bj with similar names → More names starting with B →