Kaizen
#14,942 for girls in 2025, 5 births · #364 for boys in 2025, 895 births
Given to boys 99.0% of the time
- Peak · boys
- 2025 · 895 births
- Debut · boys
- 6 births
- In top 100 · boys
- neverof 146 years
- Total births · boys
- 3,039since 2004
Kaizen over time
Rank among boys' names. Kaizen has never cracked the top 300 here.
Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.
Show data table
| Year | girls | boys | ||
|---|---|---|---|---|
| rank | births | rank | births | |
| 2025 | #14,942 | 5 | #364 | 895 |
| 2024 | #10,271 | 9 | #502 | 608 |
| 2023 | #15,194 | 5 | #587 | 487 |
| 2022 | — | #902 | 257 | |
| 2021 | — | #1,218 | 158 | |
| 2020 | #12,142 | 7 | #1,579 | 103 |
| 2019 | #15,539 | 5 | #1,849 | 81 |
| 2018 | — | #1,901 | 78 | |
| 2017 | — | #2,154 | 63 | |
| 2016 | — | #2,477 | 51 | |
| 2015 | — | #2,328 | 56 | |
| 2014 | — | #2,805 | 42 | |
| 2013 | — | #3,189 | 34 | |
| 2012 | — | #3,894 | 26 | |
| 2011 | — | #4,822 | 19 | |
| 2010 | — | #5,741 | 15 | |
| 2009 | — | #5,102 | 18 | |
| 2008 | — | #5,067 | 18 | |
| 2007 | — | #7,094 | 11 | |
| 2006 | — | #12,055 | 5 | |
| 2005 | — | #8,299 | 8 | |
| 2004 | — | #9,948 | 6 | |
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The first year at least five boys were named Kaizen! It came in at #9,948, and was given to 6 baby boys.
Quietest stretch: 2006, when fewer than 6 boys a year got the name.
See more about Kaizen
- 138 spots since 2024 (#502 → #364)
- 1,215 spots since 2020 (#1,579 → #364)
- 1,964 spots since 2015 (#2,328 → #364)
- Biggest jump: 316 spots in 2022 (#1,218 → #902)
- Debuted 2004
- Peaked 2025 at #364 (895 births)
- Not yet halved from its peak
- Top 10: never
- Top 100: never
- Top 1,000: 4 yrs · run 2022–2025
- Highest: 1 in 1,908 boys born in 2025 were named Kaizen (0.05%)
- 82.5% of all boys named Kaizen (2,508) were born in this decade
Show by decade
| Decade | Births | Best rank | Avg rank |
|---|---|---|---|
| 2000s | 66 | #5,067 (2008) | #7,928 |
| 2010s | 465 | #1,849 (2019) | #3,116 |
| 2020s | 2,508 | #364 (2025) | #859 |
All figures count published births only (names given to at least 5 boys in a year). Registrations before 1937 are incomplete, so early shares and totals run low.
Kaizen in 2025
Top girls' names in 2025
Top boys' names in 2025
More about 2025
girls
1,607,267 girls got a published name in 2025; 1 in 321,453 of them was named Kaizen, which outranked 13.6% of the 17,297 girls' names that year. The ten most popular names covered 7.0% of girls (24.6% in 1880).
Tied with 2,355 names at #14,942; 3 shown. Tied names share a rank, as in SSA's lists.
Among names in the top 1,000 of either year.
boys
1,708,076 boys got a published name in 2025; 1 in 1,908 of them was named Kaizen, which outranked 97.4% of the 13,930 boys' names that year. The ten most popular names covered 8.0% of boys (44.2% in 1880).
Among names in the top 1,000 of either year.