AgeName

How old is someone named Aja?

The average Aja is 30 years old.

Half of all living Ajas are between 21 and 42.

Estimated alive
8.2K
Median age
31
Peak year
1978
Mostly
Millennials

Aja was at its most popular in the late 1970s. Parents have been moving away from it for decades, and 44 babies were named Aja in 2025.

Popular names of 1978 · The most popular names of the 1970s →

Show the numbers by decade
Babies named Aja by decade, and how many are estimated alive today
Born inBabies bornAlive today
1960s15under 100
1970s893850
1980s2,2002,100
1990s2,1312,100
2000s1,8261,800
2010s958950
2020s381380

How many Ajas are still alive?

About 8,200 Ajas are alive in the US today. That's 98% of the roughly 8,400 babies named Aja since 1968.

Nearly every Aja ever born is still alive, because almost all of them are young.

What generation is the name Aja?

About two in five living Ajas are Millennials, born between 1981 and 1996.

See all Millennial names →

Is Aja an old name?

Somewhat. Aja is older than 52 in 100 names on AgeByName, but younger than plenty of classics.

Names that sound old →

Is Aja a boy or girl name?

Almost entirely girls: 99% of living Ajas are women.

Names the same age as Aja

NAME TWIN

Aja's name twin is Jovan. Of all 3,713 names on AgeByName, Jovan's age curve is the closest match to Aja's: 88% alike.

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Questions about the name Aja

How old is the average Aja?

The average Aja in the US is 30 years old. The median is 31, so half are older and half younger.

How many people are named Aja?

About 8,200 Ajas are alive in the US today, out of roughly 8,400 babies given the name since 1968.

When was the name Aja most popular?

In 1978, when about 510 baby girls were named Aja.

Is Aja a Millennial name?

Partly. Millennials are the largest group, about 40% of living Ajas, 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