Kaizen
How to say it: ky-ZEN · /kaɪˈzɛn/
Modern invented name, a variant of Kyson that only coincides with the Japanese business term kaizen meaning 'improvement'. source 1
Kaizen was the 342nd most popular boys’ name in the United States in 2025, given to 895 babies (Social Security Administration). The 2020s are its busiest decade so far, its births are up 14-fold in ten years, and it is projected to rise to #65 by 2030.
Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures
Key facts
| Rank among boys’ names, 2025 | #342 |
|---|---|
| Babies born in 2025 | 895 |
| Share of births | 1 in 3,362 |
| Peak decade | 2020s |
| Change over 10 years | ×14 |
| Projected rank for 2030 (estimate) | #65 |
| In France, 2025 | #1,330 among boys’ names, 15 births |
Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.
Its life, decade by decade
Very new to the charts, Kaizen has climbed without pause. The 2020s stand as its peak, and momentum points higher still.
What goes with it
Crisp at the edges with a breathy finish, Kaizen feels inventive and strong and travels easily. Kenzo makes a stylish companion, while Zen is ready as a nickname.
Middle names that flow with Kaizen →
Nicknames
- Kai
- Zen
Other spellings
Honouring a Kaizen in the family
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Kaizen is about 1 in 141.
Around the world
This spelling is used in English, Japanese.
In France: #1,330 for boys in 2025.
Keep exploring
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