Masculine dossier · first seen 1990
Caio
Rising
Gaining cultural share
Peak era
2023
Peak births
40
Current vitality
Rare
Peak generation
Gen Alpha
Quick answers about Caio
How many people are named Caio?
An estimated 713 living Americans are named Caio.
How rare is Caio?
Caio is very rare among babies today, with 35 boys receiving the name in 2025, down 12.5% from its 2023 peak.
How old is the typical Caio?
The median age of a living American named Caio is approximately 13 years, with most bearers falling between 6 and 20 years old.
Is Caio still popular?
Yes — Caio is currently rising in popularity, with 35 births in 2025. Births this decade are running about 1.1× higher than the previous decade.
1990Peak 20232025
Peak year
2023
Decline from peak
12.5%
2025
35
All-time
722