How old is someone named Sonia?
The average Sonia is 47 years old.
Half of all living Sonias are between 35 and 59.
When was Sonia popular?
Parents have been choosing Sonia less often since its peak in 1970; 171 babies got the name in 2025.
Popular names of 1970 · The most popular names of the 1970s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 107 | 0 |
| 1910s | 588 | 0 |
| 1920s | 1,230 | under 100 |
| 1930s | 2,510 | 610 |
| 1940s | 2,571 | 1,500 |
| 1950s | 5,870 | 4,600 |
| 1960s | 12,982 | 11,000 |
| 1970s | 15,302 | 14,000 |
| 1980s | 9,643 | 9,300 |
| 1990s | 7,282 | 7,100 |
| 2000s | 4,886 | 4,800 |
| 2010s | 2,886 | 2,900 |
| 2020s | 1,139 | 1,100 |
How many Sonias are still alive?
About 58,000 Sonias are alive in the US today. That's 86% of the roughly 67,000 babies named Sonia since 1895.
Most Sonias ever born are still alive.
What generation is the name Sonia?
About two in five living Sonias are Gen Xers, born between 1965 and 1980.
Is Sonia an old name?
Somewhat. Sonia is older than 74 in 100 names on AgeByName, but younger than plenty of classics.
Looking ahead: if babies keep getting the name at today's pace, the typical Sonia will be 62 in 2056, so the name is getting older.
Is Sonia a boy or girl name?
Almost entirely girls: 99.6% of living Sonias are women.
Names the same age as Sonia
NAME TWIN
Sonia's name twin is Tressa. Of all 3,713 names on AgeByName, Tressa's age curve is the closest match to Sonia's: 92% alike.
Other spellings: Sonya (51)
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Questions about the name Sonia
How old is the average Sonia?
The average Sonia in the US is 47 years old. The median is 49, so half are older and half younger.
How many people are named Sonia?
About 58,000 Sonias are alive in the US today, out of roughly 67,000 babies given the name since 1895.
When was the name Sonia most popular?
In 1970, when about 1,800 baby girls were named Sonia.
Is Sonia a Gen X name?
Partly. Gen X are the largest group, about 39% of living Sonias, but the name spans several generations.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this