Baby Names US
boys' name ★ peaked 2025

Kasai

Gender Boy · 2% girls Rank 2025 #639 Trend ↑ Rising 300%
Rank 2025
#639
among boys · ↑1,108 vs 2024
Babies in 2025
444
named Kasai · +367% vs 2024
How common
1 in 3,909
boys born in 2025
Peak year
2025
444 babies
All-time total
1,083
#4,924 all-time among boys
First recorded
1996
in Social Security records

Kasai popularity over time

1,083 babies have been named Kasai since 1996, 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
0.080.150.230.318801900192019401960198020002020BoysGirls
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 – 12 12 1 – #8,303
2000s – 97 97 10 +708% #3,860
2010s 6 206 212 21 +119% #2,071
2020s (to 2025) 12 750 762 127 +499% #639

Where Kasai 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 542 0.32 outside top 500
2027 652 0.38 #469
2028 762 0.45 #423
2029 870 0.51 #368
2030 974 0.57 #341

Where Kasai is most popular

Boys named Kasai per 1,000 boys born in each state, 2021–2025. National average: 0.081 per 1,000. Strongest in Delaware, Pennsylvania, and New Jersey.

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 Kasai 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
Delaware 14 0.923 +1042%
Pennsylvania 64 0.241 +198%
New Jersey 31 0.154 +91%
Mississippi 8 0.141 +74%
New York 59 0.136 +69%
Georgia 33 0.130 +61%
South Carolina 13 0.126 +56%
North Carolina 32 0.125 +55%
Nevada 7 0.123 +52%
Maryland 14 0.117 +45%
Michigan 23 0.112 +39%
Florida 48 0.101 +25%
Virginia 19 0.100 +24%
Louisiana 10 0.098 +21%
Iowa 6 0.087 +8%
Arkansas 5 0.079 ≈ national
Tennessee 12 0.066 -18%
Massachusetts 8 0.058 -28%
Alabama 6 0.055 -32%
Texas 39 0.044 -45%
Illinois 11 0.043 -47%
Ohio 11 0.042 -49%
Minnesota 5 0.041 -50%
Missouri 5 0.036 -55%
Arizona 5 0.031 -62%
California 26 0.028 -65%
Alaska – – –
Colorado – – –
Connecticut – – –
District of Columbia – – –
Hawaii – – –
Idaho – – –
Indiana – – –
Kansas – – –
Kentucky – – –
Maine – – –
Montana – – –
North Dakota – – –
Nebraska – – –
New Hampshire – – –
New Mexico – – –
Oklahoma – – –
Oregon – – –
Rhode Island – – –
South Dakota – – –
Utah – – –
Vermont – – –
Washington – – –
Wisconsin – – –
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 Kasai

Kasai is uncommon for boys in the United States, ranked #639 in 2025 with 437 babies given the name. It is currently rising compared with a decade ago.

Since 1996, 1,083 American babies have been named Kasai. Its peak came in 2025, when 444 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 Kasai stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Kasai?

The median living Kasai is about 2 years old; half are between 0 and 6. An estimated 1,100 people named Kasai 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.

Kasai 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 7 #12,529 437 #639
2024 – – 95 #1,747
2023 5 #16,353 64 #2,235
2022 – – 57 #2,454
2021 – – 45 #2,794
2020 – – 52 #2,486
2019 6 #14,664 70 #2,071
2018 – – 32 #3,480
2017 – – 26 #4,043
2016 – – 19 #5,046
2015 – – 15 #5,876
2014 – – 10 #7,854
2013 – – 8 #9,230
2012 – – 11 #7,302
2011 – – 8 #9,193
2010 – – 7 #10,225
2009 – – 7 #10,445
2008 – – 8 #9,437
2007 – – 8 #9,338
2006 – – 9 #8,394
2005 – – 10 #7,405
2004 – – 7 #9,456
2003 – – 12 #6,063
2002 – – 22 #3,860
2001 – – 6 #9,926
2000 – – 8 #7,829
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 Kasai, drawn from the same Social Security data as the charts above.

How old is the average Kasai?

The median living Kasai is about 2 years old. Half of all living Kasais are between 0 and 6 years old.

How many people named Kasai are alive today?

An estimated 1,100 people named Kasai are alive in the United States, based on 1,083 recorded births and Social Security life tables.

How popular is the name Kasai in 2025?

Kasai ranked #639 among boys' names in the United States in 2025, with 437 babies given the name, according to Social Security Administration data.

How many people are named Kasai?

1,083 babies have been named Kasai in the United States since 1996, based on Social Security card applications.

When was the name Kasai most popular?

Kasai peaked in 2025, when 444 newborns received the name.

Is Kasai a boy or girl name?

Kasai is overwhelmingly a boy's name: 98% of babies with the name.

Is the name Kasai rising or falling?

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

Will Kasai become more popular?

Kasai is trending upward. If the recent trend holds, we project roughly 974 boys named Kasai in 2030, which would rank around #341. Forecasts assume the current trend continues and become less certain further out.

Names like Kasai

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

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