How Many People Are Named Kayli?
An estimated 6,939 people in the United States have the first name Kayli. It is almost exclusively a female name. The average bearer is 24 years old, and Kayli peaked in popularity in 2003 with 333 births that year.
Below you will find a full statistical profile of Kayli 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 Kayli paired with any surname.
Estimated Living Americans
6,939
About 1 in 49,395 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
24
years old
Peak Year
2003
333 births
Total Registered
7,090
since 1880
Gender Distribution for Kayli
Kayli is almost exclusively a female name. Out of 7,090 total births registered, 100.0% were female.
Kayli as a female name
Ranked #3,530 in 2024
44 female births in 2024
Peak: 2003 (333 births)
Kayli: Popularity Over Time
SSA records for Kayli span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2000s, when 2,882 babies were registered. Kayli has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Kayli by Decade
How has Kayli 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.
Kayli by State
Birth registrations for Kayli span all 38 states and territories in the SSA database. The highest counts are in California, Texas, Florida. The lowest are in Nebraska, West Virginia, Idaho. On average, about 132 Kaylis were registered per state.
Kayli + Last Name Combinations
How many people share a full name with Kayli as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kayli
Other first names starting with K with a similar number of bearers.
Kayli: Questions and Answers
How many people in the U.S. are named Kayli?
We estimate approximately 6,939 people named Kayli 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 49,395 Americans share this first name.
Is Kayli a common name?
Kayli is classified as "Rare" and is more popular than 97.2% of all first names in the SSA database. A total of 7,090 births have been registered with this name since 1880.
When was Kayli most popular?
Kayli reached peak popularity in 2003, when 333 babies were given this name. The average age of a living person named Kayli is approximately 24 years old, reflecting when the name was most commonly given.
Is Kayli a female name?
Kayli is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Kayli Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kayli Smith, Kayli Johnson, Kayli 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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