Seiji vs Seichi
Side-by-side comparison of Seiji and Seichi - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Seiji | Seichi |
| Current Rank | #9068 | Unranked |
| Total Births (all years) | 517 | 171 |
| Peak Year | 2007 | 1922 |
| Peak Year Births | 19 | 21 |
| Peak Decade | 2000s | 1920s |
| Gender | Boy | Boy |
| First Recorded Year | 1914 | 1913 |
Births by Decade
| Decade | Seiji | Seichi |
| 1910s | 16 | 60 |
| 1920s | 74 | 106 |
| 1930s | 22 | 5 |
| 1970s | 28 | - |
| 1980s | 31 | - |
| 1990s | 75 | - |
| 2000s | 116 | - |
| 2010s | 106 | - |
| 2020s | 49 | - |
Recent Annual Births (2014–present)
| Year | Seiji | Seichi |
| 2014 | 12 | - |
| 2015 | 11 | - |
| 2016 | 7 | - |
| 2017 | 12 | - |
| 2018 | 6 | - |
| 2019 | 5 | - |
| 2020 | 10 | - |
| 2021 | 7 | - |
| 2022 | 7 | - |
| 2023 | 9 | - |
| 2024 | 8 | - |
| 2025 | 8 | - |