Kaizen
- Gender
- Boy
- Say it
- KY-zen
- Origin
- Japanese
- UK rank, 2025
- #1,286 for boys
- US rank, 2025
- #364 for boys
Kaizen is a boys' name of Japanese origin, meaning “improvement, change for the better”. In 2025 it ranked 1,286th for boys in the UK (23 babies) and 364th for boys in the US (895 babies).
What does Kaizen mean?
Japanese: Japanese word
“improvement, change for the better”
A Japanese word for continuous improvement, made famous through Toyota's management philosophy.
Is Kaizen a girl's or a boy's name?
Kaizen is a boys' name. In 2025, it was given to 23 boys in the UK and 5 girls and 895 boys in the US.
How popular is Kaizen in the UK?
- Rank in 2025
- 1,286th among boys
- Babies in 2025
- 23 about 1 in 13,000 boys
- Five-year trend
- Rising fast up 917% in five years
- Same name in a class
- under 1% chance among 15 boys
In 2025, 23 boys in the UK were named Kaizen, making it the 1,286th most popular name for boys. Five years earlier, in 2020, it was 3,108th. Its busiest year was 2024, with 23 boys.
Half of all the boys named Kaizen in the UK since 1996 were born between 2021 and 2024, the years shaded on the chart below.
Among boys in 2025, it was 1,225th in England and Wales.
Kaizen in the UK, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 23 | #1,286 |
| 2024 | 23 | #1,263 |
| 2023 | 15 | #1,715 |
| 2022 | 14 | #1,789 |
| 2021 | 5 | #3,614 |
| 2020 | 6 | #3,108 |
| 2019 | 0 | – |
| 2018 | 0 | – |
| 2017 | 3 | #4,995 |
| 2016 | 0 | – |
| 2015 | 0 | – |
| 2014 | 0 | – |
| 2013 | 3 | #4,884 |
| 2012 | 0 | – |
| 2011 | 3 | #4,837 |
| 2010 | 3 | #4,865 |
| 2009 | 0 | – |
| 2008 | 0 | – |
| 2007 | 0 | – |
| 2006 | 0 | – |
| 2005 | 3 | #3,992 |
How popular is Kaizen in the US?
- Rank in 2025
- 364th among boys
- Babies in 2025
- 895 about 1 in 1,900 boys
- Five-year trend
- Rising fast up 660% in five years
- Same name in a class
- under 1% chance among 15 boys
In 2025, 895 boys in the US were named Kaizen, making it the 364th most popular name for boys. Five years earlier, in 2020, it was 1,579th. It first appears in the records in 2004. 5 girls were also named Kaizen in 2025 (14,937th for girls).
It has been given to more boys each year for the last 9 years. 2025 had the most boys named Kaizen of any year since it first appeared, in 2004.
Half of all the boys named Kaizen in the US since 1880 were born between 2021 and 2025, the years shaded on the chart below.
In 2025, 1,100 boys in the US were given Kaizen or a name that sounds the same. With every name's spellings counted this way, that ranks #319, up from #364 for this spelling alone.
Kaizen in the US, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 895 | #364 |
| 2024 | 608 | #502 |
| 2023 | 487 | #587 |
| 2022 | 257 | #902 |
| 2021 | 158 | #1,218 |
| 2020 | 103 | #1,579 |
| 2019 | 81 | #1,849 |
| 2018 | 78 | #1,900 |
| 2017 | 63 | #2,153 |
| 2016 | 51 | #2,477 |
| 2015 | 56 | #2,327 |
| 2014 | 42 | #2,803 |
| 2013 | 34 | #3,187 |
| 2012 | 26 | #3,891 |
| 2011 | 19 | #4,820 |
| 2010 | 15 | #5,737 |
| 2009 | 18 | #5,100 |
| 2008 | 18 | #5,063 |
| 2007 | 11 | #7,090 |
| 2006 | 5 | #12,048 |
| 2005 | 8 | #8,292 |
| 2004 | 6 | #9,941 |
Names like Kaizen
Names given in the same years and the same naming tradition, with a similar sound.
Kairo, Kenzo, Loki, Rumi, Yug, Yusuf, Yunus, Ruairi, Yoan, Koa, Kaito, Kiyan
Other spellings of Kaizen
Names related to Kaizen
More Japanese names
Kobe, Raiden, Ren, Akari, Ronin, Kyomi, Akira, Yuna, Emi, Kiyomi, Kairi, Miya, Kenji, Reo, Jiraiya, Aizen
Sources
Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland), Baby names (Northern Ireland Statistics and Research Agency) and Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.
To cite this page: Nameling, “Kaizen: name meaning, origin and popularity”, https://www.nameling.co.uk/names/kaizen, updated 20 October 2026.