How Many People Are Named Kaj?
people named Kaj are alive in the United States today (estimate)
About 1 in 686,314 people in the US has this name
Based on 515 babies named Kaj in Social Security records from 1956 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
20 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Kaj in the records were boys.
👥 Age Distribution
The average person named Kaj alive today is about 23 years old, and 72% are under 30. Half of them were between 12 and 32 in 2025.
📈 Popularity Over Time
Kaj first appears in the records in 1956 and was given most often in 2006, to 20 babies. In 2025, 5 babies got the name.
Babies given the name each year, 1956 to 2025
🏆 Rank History
Kaj has never been one of the 100 most popular boys' names. Its best rank was #3,446, in 1969. In 2025 it ranked #12,942.
| Boys | |
|---|---|
| Rank in 2025 | #12,942 |
| Best rank | #3,446 (1969) |
| Years in the top 100 | None |
| Rank in its biggest decade | #5,616 in the 2000s |
📍 State-Wise Distribution
People named Kaj alive today, by the state where they were born (estimate; state records start in 1910).
More people named Kaj were born in California than in any other state: about 26 of those alive today.
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