How Many People Are Named Zai?
An estimated 290 people in the United States have the first name Zai. It is used for both genders, with 77.7% male. The average bearer is 8 years old, and Zai peaked in popularity in 2023 with 33 births that year.
Below you will find a full statistical profile of Zai 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 Zai paired with any surname.
Estimated Living Americans
290
About 1 in 1,181,912 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
77.7% confidence
Average Age
8
years old
Peak Year
2023
33 births
Total Registered
292
since 1880
Gender Distribution for Zai
Zai is a genuinely unisex name, used for both males (77.7%) and females (22.3%). Out of 292 total births registered, 227 were male and 65 were female.
Zai as a male name
Ranked #3,970 in 2024
28 male births in 2024
Peak: 2024 (28 births)
Zai as a female name
Ranked #13,411 in 2023
7 female births in 2023
Peak: 2018 (8 births)
Zai: Popularity Over Time
SSA records for Zai span from the 2000s to the 2020s, covering 3 decades of naming data. The most popular decade for this name was the 2020s, when 145 babies were registered. Zai remains highly popular today, with recent registration numbers near its historical peak.
Zai by Decade
How has Zai 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.
Zai by State
Birth registrations for Zai span all 3 states and territories in the SSA database. The highest counts are in Texas, California, Florida. The lowest are in Florida, California, Texas. On average, about 5 Zais were registered per state.
Zai + Last Name Combinations
How many people share a full name with Zai as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Zai
Other first names starting with Z with a similar number of bearers.
Zai: Questions and Answers
How many people in the U.S. are named Zai?
We estimate approximately 290 people named Zai 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 1,181,912 Americans share this first name.
Is Zai a common name?
Zai is classified as "Very Rare" and is more popular than 78.8% of all first names in the SSA database. A total of 292 births have been registered with this name since 1880.
When was Zai most popular?
Zai reached peak popularity in 2023, when 33 babies were given this name. The average age of a living person named Zai is approximately 8 years old, reflecting when the name was most commonly given.
Is Zai a male name?
Zai is predominantly male. 77.7% of people with this name are male. See the gender breakdown above for full details.
How many Zai Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Zai Smith, Zai Johnson, Zai 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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