Sekai is a rare name used for both girls and boys that has climbed to its highest level yet, peaking in 2025.
Sekai is predominantly a boy name. In 2025 it ranked #2,444 among boys (56) and #14,662 among girls (6) — overall #4,887 across all names. The charts below show girls and boys separately.
Boys named Sekai per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 2000–2025 · U.S.+territories from SSA territory files (1998–2025) · SSA publishes a name only in years it was given to at least 5 babies, so a name may have been in use before — or between — the years shown here
Girls named Sekai · 6 in 2025
Girls named Sekai per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 2000–2025 · U.S.+territories from SSA territory files (1998–2025) · SSA publishes a name only in years it was given to at least 5 babies, so a name may have been in use before — or between — the years shown here