Josai
#4,614 in 2025Boys' nameMeaning not yet documented
Josai has been given to 97 babies in the U.S. since 2005. In 2025 it ranked #4,614 of 13,926 boys’ names in use. Its peak year was 2025, with 22 recorded.
Babies named Josai, 2025
1 in 151,000
Josai over time, 1880–2025
Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
How common is Josai?
Everything below is computed from the 2025 data — the most recent year available.
- Among all babies, 2025
- 1 in 151,000
- 22 of 3,315,165 births
- Among boys only
- 1 in 77,600
- <0.01% of boys
- Rank, 2025
- #4,614
- of 13,926 boys’ names in use
- Coin-flip room size
- 104,451 kids
- Even odds of a second one
Where Josai sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 104,451 children born in 2025 and it's an even bet that one of them is another Josai. In a class of 30 the chance is Under 1%.
When Josais were born
Half of everyone ever recorded as Josai was born before 2022 — so the typical Josai is around 3 today.
- Biggest decade
- 2020s
- 63.9% of all use
- Born in the last 25 years
- 100.0%
- A modern name
- Recorded since 1950
- 97
- People you could plausibly meet
2020s — 63.9% of all recorded uses (62).
Is Josai rising or falling?
Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.
- Rank vs 1 year ago
- +2,414
- Places climbed
- Rank vs 5 years ago
- +8,381
- Places climbed
- Rank vs 10 years ago
- —
- Not ranked then
- Births vs 10 years ago
- —
- Not published both years
- Share of its own peak
- 100.0%
- Peak was 2025 (22)
- Years since peak
- Peaking now
- At its all-time high
- Year-to-year steadiness
- Volatile
- 51.7% average annual change
Spellings of Josai
Josai is not the most common spelling — Jose is, with 57.7% against Josai's <0.01%.
Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.
Josai by the numbers
The raw record for each sex the name is used for.
Names similar to Josai
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Josai
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.