Unisex name · since 2001

Kaii

Kaii has 113 recorded births since 2001 in federal Social Security data, most heavily in 2023 -- full year-by-year trend, decade aggregates, and state rankings follow.

#9481
among boys today
113
born since 2001
2020s
peak decade
34%
more common than other boys

Yes -- Kaii is the #9481 most popular unisex name in the U.S. today, with 113 recorded since 2001.

According to the U.S. Social Security Administration, Kaii has been recorded 113 times among boys since 2001, currently ranked #9481 nationally and more common than 34% of boys, with its heaviest use in the 2020s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 2001 to 2025.

  • #9481 among boys today
  • 113 born since 2001
  • 2020s peak decade
  • 34% more common than other boys

Data updated Jun 2026

The verdict

Kaii is currently the #9481 unisex name in America, more common than 34% of boys - 113 born since 2001, peaking in the 2020s.

#9481
among boys today
113
born since 2001
2020s
peak decade
34%
more common than other boys

Kaii vs. every other boys name in current SSA rankings

0%100%Median name50%33.6%
Kaii vs. every other boys name in current SSA rankings
#9481
of 14,294 boys in use

More common than 34% of names given to boys today.

2020s
Peak decade

55% of everyone ever named Kaii was born in this single decade.

2023
Single peak year

17 babies were named Kaii in 2023 - its busiest year on record.

How Kaii compares

113 28th percentile among 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

Kaii's all-time total is 69% below the median boys name, and Liam still leads by a wide margin.

Metric Kaii Median boys name (Elchonon) #1 boys name (Liam)
All-time total births 113 367 358,536
Peak-year births 17 23 22,252

Kaii's usage pattern, beyond the headline number

Kaii splits its recorded history at 2019: 65% of all births land in the more recent half, 35% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 2001 (5 births) -- compare that against the 2023 peak of 17 for a sense of just how much the name's popularity has swung.

Kaii at a glance

Outside the top 1,000

Total births

113

Since 2001

25 years of records

Peak year

2023

17 births that year

Strongest decade: 2020s

Current rank

#9,481

Among boys

As of 2025

Active since

2001

Recorded for 25 years

Last year on file: 2025

Kaii popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 2001–2025

Outside the top 1,000
Peak year (2023)
17
Annual births at peak, across 25 years of records
05101520 2001201420162019202120232025 9

Kaii popularity over time - girls

6 total births recorded since 2019 (Kaii as girls' name)

Unisex variant - 6 births
6 2019 6

Kaii by decade

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

2020s was Kaii's strongest decade.

62 babies received the name during that ten-year window, about 55% of all-time use.

Kaii births by decade

Total births in each ten-year window

births

What this shows Peak: 2020s at 62 births (55% of all-time use).

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

Frequently Asked Questions

How popular is the name Kaii?
Kaii has been given to 113 babies in the U.S. since 2001, according to SSA data. Among boys, it ranks #9481 as of the latest data. 17 babies were born in 2023, its single highest year.
When was Kaii most popular?
Kaii was most popular in the 2020s decade with 62 total births. The single peak year was 2023.
Is Kaii a unisex name?
Yes, Kaii is used for both boys and girls. As a boy's name it has 113 births, and as a girl's name it has 6 births.
How long has the name Kaii been used?
Kaii has been recorded in Social Security data since 2001, spanning 25 years of data through 2025.
What names are similar to Kaii?
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.

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, 2001–2025 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Kaii: #9481 Unisex Name - 113 Births, Peak 2023." NameAlmanac. Accessed via https://namealmanac.com/name/kaii. 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 Kaii 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.