Feminine dossier · first seen 1906
Sonja
Endangered
Down 97.2% from peak
Peak era
1968
Peak births
1,339
Current vitality
Rare
Peak generation
Gen X
1906Peak 19682025
Quick answers about Sonja
How many people are named Sonja?
An estimated 31,470 living Americans are named Sonja.
How rare is Sonja?
Sonja is very rare among babies today, with 37 girls receiving the name in 2025, down 97.2% from its 1968 peak.
How old is the typical Sonja?
The median age of a living American named Sonja is approximately 57 years, with most bearers falling between 48 and 65 years old.
Is Sonja still popular?
No. Sonja is endangered as a baby name, down 97.2% from its 1968 peak with 37 births in 2025.
Peak year
1968
Decline from peak
97.2%
2025
37
All-time
39,513