How Many People Are Named Sergei?
An estimated 339 people in the United States have the first name Sergei. It is almost exclusively a male name. The average bearer is 34 years old, and Sergei peaked in popularity in 1998 with 16 births that year.
Below you will find a full statistical profile of Sergei 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 Sergei paired with any surname.
Estimated Living Americans
339
About 1 in 1,011,075 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
34
years old
Peak Year
1998
16 births
Total Registered
371
since 1880
Gender Distribution for Sergei
Sergei is almost exclusively a male name. Out of 371 total births registered, 100.0% were male.
Sergei as a male name
Ranked #9,544 in 2021
8 male births in 2021
Peak: 1998 (16 births)
Sergei: Popularity Over Time
SSA records for Sergei span from the 1920s to the 2020s, covering 10 decades of naming data. The most popular decade for this name was the 2000s, when 86 babies were registered. Sergei has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Sergei by Decade
How has Sergei 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.
Sergei + Last Name Combinations
How many people share a full name with Sergei as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Sergei
Other first names starting with S with a similar number of bearers.
Sergei: Questions and Answers
How many people in the U.S. are named Sergei?
We estimate approximately 339 people named Sergei 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 1,011,075 Americans share this first name.
Is Sergei a common name?
Sergei is classified as "Very Rare" and is more popular than 80.5% of all first names in the SSA database. A total of 371 births have been registered with this name since 1880.
When was Sergei most popular?
Sergei reached peak popularity in 1998, when 16 babies were given this name. The average age of a living person named Sergei is approximately 34 years old, reflecting when the name was most commonly given.
Is Sergei a male name?
Sergei is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Sergei Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Sergei Smith, Sergei Johnson, Sergei 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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