How Many People Are Named Kai Johnson?
There are approximately 483 people named Kai Johnson living in the United States today. That makes this name combination uncommon, occurring at a rate of about 1 in 709,636 Americans.
This estimate combines SSA birth records for the first name Kai with Census Bureau frequency data for the surname Johnson. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
483
1 in 709,636 Americans
Combination Rarity
Uncommon
First Name
View full profileKai
Last Name
View full profileJohnson
Kai: Popularity Over Time
Year-by-year SSA birth registrations for the first name Kai. The peak year was 2022 with 5,724 births. The average person named Kai today is 13 years old.
Ancestry of the Johnson Surname
Self-reported race and ethnicity breakdown for people with the surname Johnson, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Kai" has an estimated frequency of 0.0215% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Johnson" appears at a rate of 655.24 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 483 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Kai
Other people with the surname Johnson
Kai Johnson: Questions and Answers
How many people are named Kai Johnson?
We estimate approximately 483 people named Kai Johnson are alive in the United States today. The first name Kai is shared by 73,735 Americans, and the surname Johnson is shared by 2,200,907.
How rare is the name Kai Johnson?
This name combination is classified as Uncommon, occurring at a rate of about 1 in 709,636 Americans. The first name Kai is uncommon and the surname Johnson is very common.
Is Kai a male or female name?
Kai is predominantly male, with 89.0% of bearers being male and 11.0% female. It peaked in popularity in 2022 and the average bearer today is 13 years old.
Where does this data come from?
First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. Surname data comes from the 2010 U.S. Census Bureau. Full methodology.
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