How Many People Are Named Kaija?
An estimated 990 people in the United States have the first name Kaija. It is almost exclusively a female name. The average bearer is 23 years old, and Kaija peaked in popularity in 2002 with 49 births that year.
Below you will find a full statistical profile of Kaija 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 Kaija paired with any surname.
Estimated Living Americans
990
About 1 in 346,217 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
23
years old
Peak Year
2002
49 births
Total Registered
1,014
since 1880
Gender Distribution for Kaija
Kaija is almost exclusively a female name. Out of 1,014 total births registered, 100.0% were female.
Kaija as a female name
Ranked #6,484 in 2024
18 female births in 2024
Peak: 2002 (49 births)
Kaija: Popularity Over Time
SSA records for Kaija span from the 1960s to the 2020s, covering 7 decades of naming data. The most popular decade for this name was the 2000s, when 356 babies were registered. Kaija has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Kaija by Decade
How has Kaija 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.
Kaija by State
Birth registrations for Kaija span all 5 states and territories in the SSA database. The highest counts are in Minnesota, California, Texas. The lowest are in Michigan, Wisconsin, Texas. On average, about 14 Kaijas were registered per state.
Kaija + Last Name Combinations
How many people share a full name with Kaija as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kaija
Other first names starting with K with a similar number of bearers.
Kaija: Questions and Answers
How many people in the U.S. are named Kaija?
We estimate approximately 990 people named Kaija 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 346,217 Americans share this first name.
Is Kaija a common name?
Kaija is classified as "Very Rare" and is more popular than 90% of all first names in the SSA database. A total of 1,014 births have been registered with this name since 1880.
When was Kaija most popular?
Kaija reached peak popularity in 2002, when 49 babies were given this name. The average age of a living person named Kaija is approximately 23 years old, reflecting when the name was most commonly given.
Is Kaija a female name?
Kaija is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Kaija Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kaija Smith, Kaija Johnson, Kaija 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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