How old is someone named Semaj?
The average Semaj is 17 years old.
Half of all living Semajs are between 11 and 23.
When was Semaj popular?
Semaj has been rising for years and peaked in 2009, so most Semajs are still kids.
Popular names of 2009 · The most popular names of the 2000s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1970s | 91 | under 100 |
| 1980s | 189 | 180 |
| 1990s | 1,092 | 1,100 |
| 2000s | 3,620 | 3,600 |
| 2010s | 3,120 | 3,100 |
| 2020s | 1,347 | 1,300 |
How many Semajs are still alive?
About 9,300 Semajs are alive in the US today. That's 99% of the roughly 9,500 babies named Semaj since 1971.
Nearly every Semaj ever born is still alive, because almost all of them are young.
What generation is the name Semaj?
More than half of living Semajs are in Gen Z, born between 1997 and 2012.
- Gen X 1%
- Millennial 8%
- Gen Z 57%
- Gen Alpha 34%
Is Semaj an old name?
No. Semaj is one of the youngest names around: younger than 77 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Semaj will be 33 in 2056, so the name is getting older.
Is Semaj a boy or girl name?
Mostly a boy's name: 78% of living Semajs are men, and 22% are women.
The women average 18 and the men 17.
Names the same age as Semaj
NAME TWIN
Semaj's name twin is Chloe. Of all 3,713 names on AgeByName, Chloe's age curve is the closest match to Semaj's: 95% alike.
Think you can guess a Ashley's age?
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Questions about the name Semaj
How old is the average Semaj?
The average Semaj in the US is 17 years old. The median is 17, so half are older and half younger.
How many people are named Semaj?
About 9,300 Semajs are alive in the US today, out of roughly 9,500 babies given the name since 1971.
When was the name Semaj most popular?
In 2009, when about 500 baby boys were named Semaj.
Is Semaj a Gen Z name?
Yes. About 57% of living Semajs are in Gen Z, born between 1997 and 2012.
Is Semaj a boy or girl name?
Mostly a boy's name: 78% of living Semajs are men, and 22% are women. The women average 18 and the men 17.
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