Total births
3,039
Boys' name · since 2004
Kaizen
Kaizen has 3,039 recorded births since 2004 in federal Social Security data, most heavily in 2025 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #503
- among boys today
- 3,039
- born since 2004
- 2020s
- peak decade
- 96%
- more common than other boys
Yes -- Kaizen is the #503 most popular boys' name in the U.S. today, with 3,039 recorded since 2004.
Kaizen has 3,039 recorded births among boys since 2004, per the U.S. Social Security Administration, ranked #503 as of the latest data, more common than 96% of boys, busiest in the 2020s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 2004 to 2025.
- #503 among boys today
- 3,039 born since 2004
- 2020s peak decade
- 96% more common than other boys
Data updated Jun 2026
The verdict
Kaizen is currently the #503 boys' name in America, more common than 96% of boys - 3,039 born since 2004, peaking in the 2020s.
- #503
- among boys today
- 3,039
- born since 2004
- 2020s
- peak decade
- 96%
- more common than other boys
Kaizen vs. every other boys name in current SSA rankings
#503
of 14,294 boys in use
More common than 96% of names given to boys today.
2020s
Peak decade
83% of everyone ever named Kaizen was born in this single decade.
2025
Single peak year
895 babies were named Kaizen in 2025 - its busiest year on record.
How Kaizen compares
3,039 Top 17% higher than 83% of 14,294 names currently given to boys
Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Kaizen's all-time total is 8x the median boys name, and Liam still leads by a wide margin.
| Metric | Kaizen | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 3,039 | 367 | 358,536 |
| Peak-year births | 895 | 23 | 22,252 |
Kaizen's usage pattern, beyond the headline number
Splitting Kaizen's full recorded timeline at 2015, 93% of its total births fall in the more recent half of the record versus 7% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 2006, with just 5 recorded births -- worth weighing against the 2025 peak of 895 to see the full range of the name's swing in popularity.
Kaizen at a glance
Top 1,000 boys' namePeak year
2025
Current rank
#503
Active since
2004
Kaizen popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 2004–2025
- Peak year (2025)
- 895
- Annual births at peak, across 22 years of records
Kaizen popularity over time - girls
31 total births recorded since 2019 (Kaizen as girls' name)
Kaizen by decade
Total births in each ten-year window, peak vs trough at a glance
2020s was Kaizen's strongest decade.
2,508 babies received the name during that ten-year window, about 83% of all-time use.
Kaizen births by decade
Total births in each ten-year window
- 2000s 66
2000s
66 births
- 2010s 465
2010s
465 births
- 2020s
2020s
2,508 births
What this shows Peak: 2020s at 2,508 births (83% of all-time use).
How Kaizen compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Kaizen's total volume
Kaizen vs 15 similarly-sized boys names
Kaizen by state
Where Kaizen concentrates geographically, total births since 2004
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Texas | | 319 | 10.5% |
| #2 | California | | 203 | 6.7% |
| #3 | Florida | | 160 | 5.3% |
| #4 | Hawaii | | 140 | 4.6% |
| #5 | Georgia | | 134 | 4.4% |
| #6 | New York | | 128 | 4.2% |
| #7 | North Carolina | | 108 | 3.6% |
| #8 | Ohio | | 103 | 3.4% |
Texas share of Kaizen's total US births 10.5%
Even split
319 of 3,039 births nationwide. Compared to a flat distribution across 39 reporting states.
Kaizen appears in 39 states. Explore state details →
Frequently Asked Questions
How popular is the name Kaizen? ▼
Since 2004, Social Security records show 3,039 babies named Kaizen. Today it holds rank #503 among boys. Its busiest year on record was 2025, with 895 births.
When was Kaizen most popular? ▼
Kaizen was most popular in the 2020s decade with 2,508 total births. The single peak year was 2025.
Where is Kaizen most popular? ▼
The top states for the name Kaizen are Texas (319 births), California (203 births), Florida (160 births).
How long has the name Kaizen been used? ▼
The SSA has tracked Kaizen since 2004 -- 22 years through the most recent 2025 data.
What names are similar to Kaizen? ▼
Names with a similar sound or spelling include Kai, Kaiden, Kairo, Kaison, and 4 more. These share a common prefix and are also used for boys.
What to do with Kaizen's data
- Texas records the most Kaizens (319 births) -- see the full state breakdown if geography matters to your decision. Texas names
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Kaizen
Nearby Names Like Kaizen
Names with a similar sound, spelling, or feel to Kaizen
Kai Boy
#76 70,232 births
Kaiden Boy
#208 52,562 births
Kairo Boy
#238 11,224 births
Kaison Boy
#515 7,182 births
Kaiser Boy
#801 3,921 births
Compare Kaizen side by side: Kaizen vs Kai Kaizen vs Kaiden Kaizen vs Kairo
Related Names
Names with a similar popularity rank to Kaizen
Data Sources
Data as of June 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 2004–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Kaizen: #503 Boys' Name - 3,039 Births, Peak 2025." NameAlmanac. Accessed via https://namealmanac.com/name/kaizen. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Kaizen draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.