How Many People Are Named Justin?
An estimated 760,960 people in the United States have the first name Justin, ranking it #42 among all first names. It is predominantly male (99.5%). The average bearer is 35 years old, and Justin peaked in popularity in 1988 with 35,296 births that year. It has a similar number of bearers to Kimberly (756,331).
Below you will find a full statistical profile of Justin 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 Justin paired with any surname.
Key Insights
- While Justin is overwhelmingly male, 3,804 female births have been registered with this name since 1880.
- Justin has fallen dramatically from its peak in the 1980s. Recent registrations are less than 5% of what they were at the name's height.
Estimated Living Americans
760,960
About 1 in 450 people in the U.S.
Rarity
Very Common
Predicted Gender
Male
99.5% confidence
Average Age
35
years old
Peak Year
1988
35,296 births
Total Registered
792,731
since 1880
Gender Distribution for Justin
Justin is almost exclusively a male name. Out of 792,731 total births registered, 99.5% were male.
Justin as a male name
Ranked #199 in 2024
1,788 male births in 2024
Peak: 1988 (35,055 births)
Justin as a female name
Ranked #14,240 in 2024
6 female births in 2024
Peak: 1987 (253 births)
Justin: Popularity Over Time
SSA records for Justin span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1980s, when 291,885 babies were registered. Justin has declined significantly from its peak in the 1980s. Recent registrations are a fraction of what they were at the name's height.
Justin by Decade
How has Justin 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.
| Decade | Total | Male | Female | |
|---|---|---|---|---|
| 1880s | 55 | 55 | 0 | |
| 1890s | 117 | 117 | 0 | |
| 1900s | 139 | 139 | 0 | |
| 1910s | 938 | 938 | 0 | |
| 1920s | 1,297 | 1,292 | 5 | |
| 1930s | 819 | 819 | 0 | |
| 1940s | 1,216 | 1,216 | 0 | |
| 1950s | 2,297 | 2,297 | 0 | |
| 1960s | 6,744 | 6,706 | 38 | |
| 1970s | 87,140 | 86,547 | 593 | |
| 1980s | 291,885 | 289,826 | 2,059 | |
| 1990s | 220,872 | 220,128 | 744 | |
| 2000s | 123,274 | 122,988 | 286 | |
| 2010s | 45,662 | 45,589 | 73 | |
| 2020s | 10,276 | 10,270 | 6 | |
Justin by State
Birth registrations for Justin span all 51 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in Vermont, Alaska, Wyoming. On average, about 15,442 Justins were registered per state.
Justin + Last Name Combinations
How many people share a full name with Justin as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Justin
Other first names starting with J with a similar number of bearers.
Justin: Questions and Answers
How many people in the U.S. are named Justin?
We estimate approximately 760,960 people named Justin 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 450 Americans share this first name.
Is Justin a common name?
Justin is classified as "Very Common" and is more popular than 100% of all first names in the SSA database. A total of 792,731 births have been registered with this name since 1880.
When was Justin most popular?
Justin reached peak popularity in 1988, when 35,296 babies were given this name. The average age of a living person named Justin is approximately 35 years old, reflecting when the name was most commonly given.
Is Justin a male name?
Justin is predominantly male. 99.5% of people with this name are male. See the gender breakdown above for full details.
How many Justin Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Justin Smith, Justin Johnson, Justin 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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