How Many People Are Named Zailen?
An estimated 149 people in the United States have the first name Zailen. It is almost exclusively a male name. The average bearer is 10 years old, and Zailen peaked in popularity in 2011 with 15 births that year.
Below you will find a full statistical profile of Zailen 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 Zailen paired with any surname.
Estimated Living Americans
149
About 1 in 2,300,365 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
10
years old
Peak Year
2011
15 births
Total Registered
150
since 1880
Gender Distribution for Zailen
Zailen is almost exclusively a male name. Out of 150 total births registered, 100.0% were male.
Zailen as a male name
Ranked #9,837 in 2024
8 male births in 2024
Peak: 2011 (15 births)
Zailen: Popularity Over Time
SSA records for Zailen span from the 2000s to the 2020s, covering 3 decades of naming data. The most popular decade for this name was the 2010s, when 98 babies were registered. While Zailen is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Zailen by Decade
How has Zailen 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.
Zailen + Last Name Combinations
How many people share a full name with Zailen as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Zailen
Other first names starting with Z with a similar number of bearers.
Zailen: Questions and Answers
How many people in the U.S. are named Zailen?
We estimate approximately 149 people named Zailen 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 2,300,365 Americans share this first name.
Is Zailen a common name?
Zailen is classified as "Very Rare" and is more popular than 70.2% of all first names in the SSA database. A total of 150 births have been registered with this name since 1880.
When was Zailen most popular?
Zailen reached peak popularity in 2011, when 15 babies were given this name. The average age of a living person named Zailen is approximately 10 years old, reflecting when the name was most commonly given.
Is Zailen a male name?
Zailen is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Zailen Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Zailen Smith, Zailen Johnson, Zailen 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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