How old is someone named Joi?
The average Joi is 35 years old.
Half of all living Jois are between 20 and 49.
When was Joi popular?
Few names are as steady as Joi. It peaked in 1981, but babies have been named Joi every year since records began, and 48 were in 2025.
Popular names of 1981 · The most popular names of the 1980s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1940s | 29 | under 100 |
| 1950s | 324 | 260 |
| 1960s | 677 | 600 |
| 1970s | 858 | 810 |
| 1980s | 1,114 | 1,100 |
| 1990s | 925 | 910 |
| 2000s | 994 | 980 |
| 2010s | 778 | 770 |
| 2020s | 396 | 400 |
How many Jois are still alive?
About 5,800 Jois are alive in the US today. That's 95% of the roughly 6,100 babies named Joi since 1942.
Nearly every Joi ever born is still alive, because almost all of them are young.
What generation is the name Joi?
About one in four living Jois are Millennials, born between 1981 and 1996.
- Boomer 9%
- Gen X 22%
- Millennial 27%
- Gen Z 26%
- Gen Alpha 17%
Is Joi an old name?
Somewhat. Joi is older than 59 in 100 names on AgeByName, but younger than plenty of classics.
Is Joi a boy or girl name?
Almost entirely girls: over 99.9% of living Jois are women.
Names the same age as Joi
NAME TWIN
Joi's name twin is Tamar. Of all 3,713 names on AgeByName, Tamar's age curve is the closest match to Joi's: 91% alike.
Other spellings: Joy (52)
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Questions about the name Joi
How old is the average Joi?
The average Joi in the US is 35 years old. The median is 35, so half are older and half younger.
How many people are named Joi?
About 5,800 Jois are alive in the US today, out of roughly 6,100 babies given the name since 1942.
When was the name Joi most popular?
In 1981, when about 160 baby girls were named Joi.
Is Joi a Millennial name?
Partly. Millennials are the largest group, about 27% of living Jois, 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