How Many People Are Named Janaia?
An estimated 239 people in the United States have the first name Janaia. It is almost exclusively a female name. The average bearer is 24 years old, and Janaia peaked in popularity in 2002 with 19 births that year.
Below you will find a full statistical profile of Janaia 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 Janaia paired with any surname.
Estimated Living Americans
239
About 1 in 1,434,119 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
24
years old
Peak Year
2002
19 births
Total Registered
245
since 1880
Gender Distribution for Janaia
Janaia is almost exclusively a female name. Out of 245 total births registered, 100.0% were female.
Janaia as a female name
Ranked #16,170 in 2023
5 female births in 2023
Peak: 2002 (19 births)
Janaia: Popularity Over Time
SSA records for Janaia span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2000s, when 126 babies were registered. Janaia has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Janaia by Decade
How has Janaia 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.
Janaia by State
Janaia + Last Name Combinations
How many people share a full name with Janaia as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Janaia
Other first names starting with J with a similar number of bearers.
Janaia: Questions and Answers
How many people in the U.S. are named Janaia?
We estimate approximately 239 people named Janaia 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 1,434,119 Americans share this first name.
Is Janaia a common name?
Janaia is classified as "Very Rare" and is more popular than 76.5% of all first names in the SSA database. A total of 245 births have been registered with this name since 1880.
When was Janaia most popular?
Janaia reached peak popularity in 2002, when 19 babies were given this name. The average age of a living person named Janaia is approximately 24 years old, reflecting when the name was most commonly given.
Is Janaia a female name?
Janaia is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Janaia Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Janaia Smith, Janaia Johnson, Janaia 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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