Unisex name · since 1926

Kai

70,232 babies named Kai in U.S. Social Security records since 1926, with the highest year being 2022. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

#76
among boys today
70,232
born since 1926
2020s
peak decade
99.5%
more common than other boys

Yes -- Kai is the #76 most popular unisex name in the U.S. today, with 70,232 recorded since 1926.

Kai has 70,232 recorded births among boys since 1926, per the U.S. Social Security Administration, ranked #76 as of the latest data, more common than 99.5% 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 1926 to 2025.

  • #76 among boys today
  • 70,232 born since 1926
  • 2020s peak decade
  • 99.5% more common than other boys

Data updated Jun 2026

The verdict

Kai is currently the #76 unisex name in America, more common than 99.5% of boys - 70,232 born since 1926, peaking in the 2020s.

#76
among boys today
70,232
born since 1926
2020s
peak decade
99.5%
more common than other boys

Kai vs. every other boys name in current SSA rankings

0%100%Median name50%99.4%
Kai vs. every other boys name in current SSA rankings
#76
of 14,294 boys in use

More common than 99.5% of names given to boys today.

2020s
Peak decade

38% of everyone ever named Kai was born in this single decade.

2022
Single peak year

5,374 babies were named Kai in 2022 - its busiest year on record.

How Kai compares

70,232 Top 3% higher than 97% 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

Kai's all-time total is 191x the median boys name, and Liam still leads by a wide margin.

Metric Kai Median boys name (Elchonon) #1 boys name (Liam)
All-time total births 70,232 367 358,536
Peak-year births 5,374 23 22,252

Kai's usage pattern, beyond the headline number

Divide Kai's SSA record in two at 1986 and the more recent half accounts for 98% of all births, the earlier half the remaining 2%, consistent with a name still gaining ground rather than fading. Its calmest year was 1944, with only 5 births recorded -- set against the 2022 peak of 5,374, that's the full swing in one name's fortunes.

Kai at a glance

Top 100 boys' name

Total births

70,232

Since 1926

100 years of records

Peak year

2022

5,374 births that year

Strongest decade: 2020s

Current rank

#76

In the top 100

As of 2025

Active since

1926

Recorded for 100 years

Last year on file: 2025

Kai popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 1926–2025

Top 100 boys' name
Peak year (2022)
5,374
Annual births at peak, across 100 years of records
-2,00002,0004,0006,000 192619561966197619861996200620162025 3,768

Kai popularity over time - girls

8,478 total births recorded since 1953 (Kai as girls' name)

Unisex variant - 8,478 births
-1000100200300400 195319651974198319922001201020192025 234

Kai by decade

Total births in each ten-year window, peak vs trough at a glance

2020s was Kai's strongest decade.

26,927 babies received the name during that ten-year window, about 38% of all-time use.

Kai births by decade

Total births in each ten-year window

births

What this shows Peak: 2020s at 26,927 births (38% of all-time use).

Source U.S. Social Security Administration · Baby Names As of June 2026

How Kai 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 Kai's total volume

Kai vs 15 similarly-sized boys names

Kai vs 15 similarly-sized boys names Scatter plot of 16 data points. 0%2%4%6%8%10%12% 050100150200 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year Kai
Kai vs 15 similarly-sized boys names

Kai by state

Where Kai concentrates geographically, total births since 1926

Geographically diffuse
Top 8 states by recorded births for the name Kai
Rank State Visual share Births Share of total
#1 California
12,155 17.3%
#2 Texas
5,431 7.7%
#3 Florida
5,417 7.7%
#4 New York
3,860 5.5%
#5 Washington
2,453 3.5%
#6 Georgia
2,064 2.9%
#7 Pennsylvania
2,050 2.9%
#8 Illinois
1,913 2.7%
California share of Kai's total US births 17.3%
Even split

12,155 of 70,232 births nationwide. Compared to a flat distribution across 51 reporting states.

Kai appears in 51 states. Explore state details →

Frequently Asked Questions

How popular is the name Kai?
Kai has been given to 70,232 babies in the U.S. since 1926, according to SSA data. Among boys, it ranks #76 as of the latest data. 5,374 babies were born in 2022, its single highest year.
When was Kai most popular?
Kai was most popular in the 2020s decade with 26,927 total births. The single peak year was 2022.
Where is Kai most popular?
The top states for the name Kai are California (12,155 births), Texas (5,431 births), Florida (5,417 births).
Is Kai a unisex name?
Yes, Kai is used for both boys and girls. As a boy's name it has 70,232 births, and as a girl's name it has 8,478 births.
How long has the name Kai been used?
The SSA has tracked Kai since 1926 -- 100 years through the most recent 2025 data.
What names are similar to Kai?
Names with a similar sound or spelling include Kaiden, Kairo, Kaison, Kaiser, and 4 more. These share a common prefix and are also used for boys.

What to do with Kai's data

  • California records the most Kais (12,155 births) -- see the full state breakdown if geography matters to your decision. California 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.

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, 1926–2025 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Kai: #76 Unisex Name - 70,232 Births, Peak 2022." NameAlmanac. Accessed via https://namealmanac.com/name/kai. 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 Kai 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.