How old is someone named Tonja?
The average Tonja is 57 years old.
Half of all living Tonjas are between 53 and 61.
When was Tonja popular?
Tonja was a boom name: it shot up, peaked in 1967, and dropped away. That's why most Tonjas are close to the same age.
Popular names of 1967 · The most popular names of the 1960s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1940s | 104 | under 100 |
| 1950s | 533 | 430 |
| 1960s | 3,357 | 3,000 |
| 1970s | 2,414 | 2,300 |
| 1980s | 435 | 420 |
| 1990s | 124 | 120 |
| 2000s | 27 | under 100 |
How many Tonjas are still alive?
About 6,300 Tonjas are alive in the US today. That's 90% of the roughly 7,000 babies named Tonja since 1940.
Most Tonjas ever born are still alive.
What generation is the name Tonja?
About two in three living Tonjas are Gen Xers, born between 1965 and 1980.
- Boomer 23%
- Gen X 69%
- Millennial 7%
- Gen Z under 1%
Is Tonja an old name?
Yes. Tonja is older than 85 in 100 names on AgeByName.
Is Tonja a boy or girl name?
Almost entirely girls: 99.9% of living Tonjas are women.
Names the same age as Tonja
NAME TWIN
Tonja's name twin is Tracey. Of all 3,713 names on AgeByName, Tracey's age curve is the closest match to Tonja's: 91% alike.
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Questions about the name Tonja
How old is the average Tonja?
The average Tonja in the US is 57 years old. The median is 57, so half are older and half younger.
How many people are named Tonja?
About 6,300 Tonjas are alive in the US today, out of roughly 7,000 babies given the name since 1940.
When was the name Tonja most popular?
In 1967, when about 510 baby girls were named Tonja.
Is Tonja a Gen X name?
Yes. About 69% of living Tonjas are Gen Xers, born between 1965 and 1980.
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