How old is someone named Lia?
The average Lia is 17 years old.
Half of all living Lias are between 6 and 22.
When was Lia popular?
Most of the Lias in the country were born in the last 15 years. The name peaked in 2024 and is still near the top.
Popular names of 2024 · The most popular names of the 2020s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1930s | 7 | 0 |
| 1940s | 33 | under 100 |
| 1950s | 273 | 220 |
| 1960s | 790 | 700 |
| 1970s | 1,060 | 990 |
| 1980s | 1,606 | 1,600 |
| 1990s | 1,958 | 1,900 |
| 2000s | 5,098 | 5,000 |
| 2010s | 9,749 | 9,700 |
| 2020s | 7,942 | 7,900 |
How many Lias are still alive?
About 28,000 Lias are alive in the US today. That's 98% of the roughly 29,000 babies named Lia since 1933.
Nearly every Lia ever born is still alive, because almost all of them are young.
What generation is the name Lia?
About half of living Lias are in Gen Alpha, born in 2013 or later.
- Boomer 2%
- Gen X 6%
- Millennial 10%
- Gen Z 30%
- Gen Alpha 53%
Is Lia an old name?
No. Lia is one of the youngest names around: younger than 78 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Lia will be 26 in 2056, so the name is aging slowly.
Is Lia a boy or girl name?
Almost entirely girls: 99.9% of living Lias are women.
Names the same age as Lia
NAME TWIN
Lia's name twin is Zev. Of all 3,713 names on AgeByName, Zev's age curve is the closest match to Lia's: 93% alike.
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Questions about the name Lia
How old is the average Lia?
The average Lia in the US is 17 years old. The median is 12, so half are older and half younger.
How many people are named Lia?
About 28,000 Lias are alive in the US today, out of roughly 29,000 babies given the name since 1933.
When was the name Lia most popular?
In 2024, when about 1,600 baby girls were named Lia.
Is Lia a Gen Alpha name?
Yes. About 53% of living Lias are in Gen Alpha, born in 2013 or later.
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