Sekai
Boy name · #2445 in 2025 · Uniqueness 43/100
Sekai is currently the #2445 boy name in the United States — 56 babies received it in 2025. A decade ago it stood at #12086, so the name has been rising over the past ten years. Roughly one in every 32,143 boys born in 2025 was named Sekai.
The 24-year story
Sekai first appears in the Social Security records in 2001, when 7 boys received the name. Its all-time peak is essentially right now: 2025, with 56 babies and a rank of #2421. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Sekai per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Sekai against up to 5 other names.
Uniqueness: will there be another Sekai in class?
Sekai scores 43 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "distinctive" band. That middle band is the sweet spot many parents hunt for: recognizable without being everywhere.
Where Sekai is most common
Geography matters for names, and Sekai is no exception. In 2025 the states with the most Sekais were FL (8), NC (5), NY (5), PA (5), TX (5). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Sekai
Statistically, parents drawn to Sekai tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Sakai, Rakai, Xakai, Dakai, and Elikai.
SakaiRakaiXakaiDakaiElikaiZakkaiAlakaiJahkai
Rank history (last 25 years)
| Year | Babies named Sekai | Rank |
|---|---|---|
| 2025 | 56 | #2421 |
| 2024 | 37 | #3216 |
| 2023 | 41 | #3005 |
| 2022 | 30 | #3691 |
| 2021 | 12 | #6698 |
| 2020 | 9 | #8067 |
| 2019 | 10 | #7643 |
| 2017 | 10 | #7546 |
| 2016 | 9 | #8146 |
| 2015 | 5 | #12086 |
| 2012 | 6 | #10770 |
| 2011 | 6 | #10808 |
| 2010 | 7 | #9693 |
| 2009 | 12 | #6802 |
| 2008 | 6 | #11037 |
| 2006 | 5 | #12055 |
| 2005 | 10 | #7096 |
| 2003 | 6 | #9581 |
| 2001 | 7 | #8339 |
Frequently asked questions
Is Sekai a popular boy name?
Sekai ranked #2445 among boys in 2025 with 56 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #12086.
When was the name Sekai most popular?
Sekai peaked in 2025, when 56 American boys received the name (ranked #2421 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Sekai?
In 2025, roughly 1 in 32,143 newborn American boys was named Sekai. It scores 43/100 on our uniqueness scale (rarity blended with momentum), which we classify as "distinctive".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.