Kenji
Boy name · #945 in 2025 · Rare
How old is the name Kenji? In official American birth records, Kenji has been tracked continuously since 1913, giving it 112 years of documented American history.
Kenji is currently the #945 boy name in the United States — 249 babies received it in 2025. A decade ago it stood at #1406, so the name has been rising over the past ten years. Roughly one in every 7,229 boys born in 2025 was named Kenji.
The 112-year story
Kenji first appears in the Social Security records in 1913, when 5 boys received the name. Its all-time peak is essentially right now: 2022, with 337 babies and a rank of #754. 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 Kenji per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Kenji against up to 5 other names.
Uniqueness: will there be another Kenji in class?
On our rarity read — which blends how common Kenji is today with its five-year momentum — the name reads as "rare". A high score means genuine rarity — your Kenji will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kenji is most common
Geography matters for names, and Kenji is no exception. Adjusted for how many boys are born in each state, Kenji is most common in WI (0.4 per 1,000), WA (0.4 per 1,000), CA (0.3 per 1,000), OH (0.2 per 1,000), NC (0.2 per 1,000) — against a national average of about 0.2 per 1,000 boys. These are per-capita rates, so they show where Kenji is a genuine regional favorite rather than just where the most babies are born.
Names like Kenji
Statistically, parents drawn to Kenji tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Khai, Karim, Kabir, Kylen, and Kaleo.
KhaiKarimKabirKylenKaleoShaiRishiKenai
Rank history (last 25 years)
| Year | Babies named Kenji | Rank |
|---|---|---|
| 2025 | 249 | #943 |
| 2024 | 284 | #854 |
| 2023 | 296 | #827 |
| 2022 | 337 | #754 |
| 2021 | 281 | #845 |
| 2020 | 245 | #910 |
| 2019 | 156 | #1218 |
| 2018 | 141 | #1294 |
| 2017 | 137 | #1314 |
| 2016 | 125 | #1399 |
| 2015 | 122 | #1406 |
| 2014 | 96 | #1619 |
| 2013 | 125 | #1352 |
| 2012 | 124 | #1359 |
| 2011 | 147 | #1198 |
| 2010 | 119 | #1399 |
| 2009 | 159 | #1148 |
| 2008 | 145 | #1211 |
| 2007 | 108 | #1477 |
| 2006 | 99 | #1519 |
| 2005 | 75 | #1752 |
| 2004 | 60 | #1989 |
| 2003 | 60 | #1936 |
| 2002 | 59 | #1888 |
| 2001 | 72 | #1629 |
Frequently asked questions
How old is the name Kenji?
In official American birth records, the name Kenji first appeared in 1913 (over 112 years ago), when 5 newborn boys received the name. It has been tracked in modern national records for 112 years.
Is Kenji a popular boy name?
Kenji ranked #945 among boys in 2025 with 249 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1406.
When was the name Kenji most popular?
Kenji peaked in 2022, when 337 American boys received the name (ranked #754 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Kenji?
In 2025, roughly 1 in 7,229 newborn American boys was named Kenji. On our rarity scale (rarity blended with momentum) we classify it as "rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.