AgeName

How old is someone named Jairo?

The average Jairo is 21 years old.

Half of all living Jairos are between 12 and 29.

Estimated alive
11.2K
Median age
20
Peak year
2008
Mostly
Gen Z

Jairo is a modern favorite: it climbed through the 2000s and hit its high in 2008. 251 babies got the name in 2025.

Popular names of 2008 · The most popular names of the 2000s →

Show the numbers by decade
Babies named Jairo by decade, and how many are estimated alive today
Born inBabies bornAlive today
1950s12under 100
1960s20under 100
1970s181170
1980s1,1341,100
1990s2,2552,200
2000s3,7773,700
2010s2,6772,700
2020s1,4271,400

How many Jairos are still alive?

About 11,000 Jairos are alive in the US today. That's 98% of the roughly 11,000 babies named Jairo since 1950.

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

What generation is the name Jairo?

About half of living Jairos are in Gen Z, born between 1997 and 2012.

See all Gen Z names →

Is Jairo an old name?

Not really. Jairo is younger than 68 in 100 names on AgeByName.

Looking ahead: if babies keep getting the name at today's pace, the typical Jairo will be 36 in 2056, so the name is getting older.

Names that sound young →

Is Jairo a boy or girl name?

Almost entirely boys: over 99.9% of living Jairos are men.

Names the same age as Jairo

NAME TWIN

Jairo's name twin is Josue. Of all 3,713 names on AgeByName, Josue's age curve is the closest match to Jairo's: 94% alike.

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Questions about the name Jairo

How old is the average Jairo?

The average Jairo in the US is 21 years old. The median is 20, so half are older and half younger.

How many people are named Jairo?

About 11,000 Jairos are alive in the US today, out of roughly 11,000 babies given the name since 1950.

When was the name Jairo most popular?

In 2008, when about 470 baby boys were named Jairo.

Is Jairo a Gen Z name?

Partly. Gen Z are the largest group, about 47% of living Jairos, 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