Baby Names US
boys' name ★ peaked 2025

Kaizen

Gender Boy · 1% girls Rank 2025 #364 Trend ↑ Rising 685%
Rank 2025
#364
among boys · ↑138 vs 2024
Babies in 2025
900
named Kaizen · +46% vs 2024
How common
1 in 1,908
boys born in 2025
Peak year
2025
900 babies
All-time total
3,070
#2,520 all-time among boys
First recorded
2004
in Social Security records

Kaizen popularity over time

3,070 babies have been named Kaizen since 2004, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
0.190.380.560.7518801900192019401960198020002020BoysGirls
BoysGirls

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Girls Boys Total Per year Change Best rank
1880s – – – – – –
1890s – – – – – –
1900s – – – – – –
1910s – – – – – –
1920s – – – – – –
1930s – – – – – –
1940s – – – – – –
1950s – – – – – –
1960s – – – – – –
1970s – – – – – –
1980s – – – – – –
1990s – – – – – –
2000s – 66 66 7 – #5,168
2010s 5 465 470 47 +612% #1,858
2020s (to 2025) 26 2,508 2,534 422 +799% #364

Where Kaizen is heading

A five-year projection from the recent trend in births per 1,000 boys (damped so it flattens over time), converted to babies at today's birth totals. The implied rank places that projection in the 2025 field. A projection, not a promise: real trends bend.

Year Projected babies Per 1,000 boys Implied rank
2026 1,155 0.68 #292
2027 1,435 0.84 #242
2028 1,725 1.01 #204
2029 2,017 1.18 #181
2030 2,304 1.35 #160

Where Kaizen is most popular

Boys named Kaizen per 1,000 boys born in each state, 2021–2025. National average: 0.278 per 1,000. Strongest in Hawaii, Mississippi, and Louisiana.

Vs national average
well below below near national above well above no data

All 50 states and DC, sorted by rate. Counts are boys named Kaizen born 2021–2025; the per-1,000 rate makes states of different sizes comparable, and the last column shows each state against the national average.

State Boys 2021–2025 Per 1,000 vs national
Hawaii 70 4.51 +1519%
Mississippi 47 0.827 +197%
Louisiana 78 0.763 +174%
Alabama 61 0.558 +100%
Arkansas 35 0.553 +99%
Oklahoma 46 0.520 +87%
Georgia 128 0.505 +81%
South Carolina 44 0.426 +53%
North Carolina 102 0.399 +43%
Kentucky 40 0.399 +43%
Minnesota 44 0.359 +29%
Tennessee 64 0.355 +27%
Ohio 92 0.347 +25%
Michigan 68 0.332 +19%
Texas 291 0.330 +19%
Delaware 5 0.330 +18%
Wisconsin 38 0.321 +15%
Kansas 22 0.321 +15%
New Mexico 10 0.303 +9%
Florida 143 0.302 +8%
Maryland 36 0.302 +8%
Indiana 48 0.299 +8%
New York 128 0.296 +6%
North Dakota 5 0.293 +5%
Nevada 16 0.281 ≈ national
Massachusetts 38 0.276 ≈ national
Nebraska 12 0.276 ≈ national
Connecticut 17 0.251 -10%
Illinois 64 0.250 -10%
Missouri 34 0.245 -12%
Arizona 40 0.244 -12%
Colorado 30 0.232 -17%
Iowa 16 0.232 -17%
Virginia 41 0.216 -22%
Washington 35 0.214 -23%
Pennsylvania 47 0.177 -36%
California 159 0.174 -38%
New Jersey 30 0.149 -46%
Utah 8 0.084 -70%
Alaska – – –
District of Columbia – – –
Idaho – – –
Maine – – –
Montana – – –
New Hampshire – – –
Oregon – – –
Rhode Island – – –
South Dakota – – –
Vermont – – –
West Virginia – – –
Wyoming – – –

State counts come from the Social Security Administration's state files, which omit any state-year with fewer than five babies of a name, so small states can undercount slightly.

The story of Kaizen

Kaizen is moderately common for boys in the United States, ranked #364 in 2025 with 895 babies given the name. It is currently rising compared with a decade ago.

Since 2004, 3,070 American babies have been named Kaizen. Its peak came in 2025, when 900 newborns received the name, the signature sound of the 2020s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Kaizen stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Kaizen?

The median living Kaizen is about 2 years old; half are between 0 and 4. An estimated 3,100 people named Kaizen are alive in the United States today.

median 2 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Kaizen year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Girls Girls rank Boys Boys rank
2025 5 #16,037 895 #364
2024 9 #10,661 608 #502
2023 5 #16,316 487 #588
2022 – – 257 #903
2021 – – 158 #1,220
2020 7 #12,769 103 #1,584
2019 5 #16,713 81 #1,858
2018 – – 78 #1,908
2017 – – 63 #2,160
2016 – – 51 #2,494
2015 – – 56 #2,334
2014 – – 42 #2,831
2013 – – 34 #3,233
2012 – – 26 #3,949
2011 – – 19 #4,904
2010 – – 15 #5,889
2009 – – 18 #5,205
2008 – – 18 #5,168
2007 – – 11 #7,344
2006 – – 5 #13,009
2005 – – 8 #8,703
2004 – – 6 #10,656
2003 – – – –
2002 – – – –
2001 – – – –
2000 – – – –
1995 – – – –
1990 – – – –
1985 – – – –
1980 – – – –
1975 – – – –
1970 – – – –
1965 – – – –
1960 – – – –
1955 – – – –
1950 – – – –
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Frequently asked questions

Quick answers about Kaizen, drawn from the same Social Security data as the charts above.

How old is the average Kaizen?

The median living Kaizen is about 2 years old. Half of all living Kaizens are between 0 and 4 years old.

How many people named Kaizen are alive today?

An estimated 3,100 people named Kaizen are alive in the United States, based on 3,070 recorded births and Social Security life tables.

How popular is the name Kaizen in 2025?

Kaizen ranked #364 among boys' names in the United States in 2025, with 895 babies given the name, according to Social Security Administration data.

How many people are named Kaizen?

3,070 babies have been named Kaizen in the United States since 2004, based on Social Security card applications.

When was the name Kaizen most popular?

Kaizen peaked in 2025, when 900 newborns received the name.

Is Kaizen a boy or girl name?

Kaizen is overwhelmingly a boy's name: 99% of babies with the name.

Is the name Kaizen rising or falling?

Kaizen is on the rise, noticeably more popular now than a decade ago.

Will Kaizen become more popular?

Kaizen is trending upward. If the recent trend holds, we project roughly 2,304 boys named Kaizen in 2030, which would rank around #160. Forecasts assume the current trend continues and become less certain further out.

Names like Kaizen

Names that sound and feel close to Kaizen: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Kaizen with similar names → More names starting with K →