How Many People Are Named Lili?
An estimated 3,484 people in the United States have the first name Lili. It is almost exclusively a female name. The average bearer is 29 years old, and Lili peaked in popularity in 2003 with 139 births that year.
Below you will find a full statistical profile of Lili 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 Lili paired with any surname.
Estimated Living Americans
3,484
About 1 in 98,380 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
29
years old
Peak Year
2003
139 births
Total Registered
3,800
since 1880
Gender Distribution for Lili
Lili is almost exclusively a female name. Out of 3,800 total births registered, 100.0% were female.
Lili as a female name
Ranked #3,028 in 2024
54 female births in 2024
Peak: 2003 (139 births)
Lili: Popularity Over Time
SSA records for Lili span from the 1910s to the 2020s, covering 12 decades of naming data. The most popular decade for this name was the 2000s, when 1,098 babies were registered. Lili has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Lili by Decade
How has Lili 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.
Lili by State
Birth registrations for Lili span all 19 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in Pennsylvania, Oklahoma, Missouri. On average, about 74 Lilis were registered per state.
Lili + Last Name Combinations
How many people share a full name with Lili as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Lili
Other first names starting with L with a similar number of bearers.
Lili: Questions and Answers
How many people in the U.S. are named Lili?
We estimate approximately 3,484 people named Lili 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 98,380 Americans share this first name.
Is Lili a common name?
Lili is classified as "Rare" and is more popular than 95.6% of all first names in the SSA database. A total of 3,800 births have been registered with this name since 1880.
When was Lili most popular?
Lili reached peak popularity in 2003, when 139 babies were given this name. The average age of a living person named Lili is approximately 29 years old, reflecting when the name was most commonly given.
Is Lili a female name?
Lili is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Lili Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Lili Smith, Lili Johnson, Lili 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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