How Many People Are Named Kaia?
An estimated 19,122 people in the United States have the first name Kaia. It is almost exclusively a female name. The average bearer is 12 years old, and Kaia peaked in popularity in 2024 with 1,675 births that year.
Below you will find a full statistical profile of Kaia 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 Kaia paired with any surname.
Key Insights
- While Kaia is overwhelmingly female, 53 male births have been registered with this name since 1880.
- Kaia is a modern name. With an average bearer age of just 12, it has gained most of its popularity in recent years.
Estimated Living Americans
19,122
About 1 in 17,925 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
99.7% confidence
Average Age
12
years old
Peak Year
2024
1,675 births
Total Registered
19,333
since 1880
Gender Distribution for Kaia
Kaia is almost exclusively a female name. Out of 19,333 total births registered, 99.7% were female.
Kaia as a male name
Ranked #11,278 in 2020
6 male births in 2020
Peak: 2016 (10 births)
Kaia as a female name
Ranked #180 in 2024
1,675 female births in 2024
Peak: 2024 (1,675 births)
Kaia: Popularity Over Time
SSA records for Kaia span from the 1950s to the 2020s, covering 8 decades of naming data. The most popular decade for this name was the 2010s, when 7,258 babies were registered. Kaia remains highly popular today, with recent registration numbers near its historical peak.
Kaia by Decade
How has Kaia 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.
Kaia by State
Birth registrations for Kaia span all 49 states and territories in the SSA database. The highest counts are in California, Florida, Texas. The lowest are in West Virginia, Mississippi, Delaware. On average, about 357 Kaias were registered per state.
Kaia + Last Name Combinations
How many people share a full name with Kaia as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kaia
Other first names starting with K with a similar number of bearers.
Kaia: Questions and Answers
How many people in the U.S. are named Kaia?
We estimate approximately 19,122 people named Kaia 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 17,925 Americans share this first name.
Is Kaia a common name?
Kaia is classified as "Uncommon" and is more popular than 98.4% of all first names in the SSA database. A total of 19,333 births have been registered with this name since 1880.
When was Kaia most popular?
Kaia reached peak popularity in 2024, when 1,675 babies were given this name. The average age of a living person named Kaia is approximately 12 years old, reflecting when the name was most commonly given.
Is Kaia a female name?
Kaia is predominantly female. 99.7% of people with this name are female. See the gender breakdown above for full details.
How many Kaia Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kaia Smith, Kaia Johnson, Kaia 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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