Masculine dossier · first seen 1995
Koi
Rising
Gaining cultural share
Peak era
2022
Peak births
64
Current vitality
Rare
Peak generation
Gen Alpha
Quick answers about Koi
How many people are named Koi?
An estimated 805 living Americans are named Koi.
How rare is Koi?
Koi is very rare among babies today, with 40 boys receiving the name in 2025, down 37.5% from its 2022 peak.
How old is the typical Koi?
The median age of a living American named Koi is approximately 9 years, with most bearers falling between 4 and 16 years old.
Is Koi still popular?
Yes — Koi is currently rising in popularity, with 40 births in 2025. Births this decade are running about 1.6× higher than the previous decade.
1995Peak 20222025
Peak year
2022
Decline from peak
37.5%
2025
40
All-time
813