Girls' name · since 1957

Kaja

711 babies named Kaja in U.S. Social Security records since 1957, with the highest year being 2009. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

#6226
among girls today
711
born since 1957
2000s
peak decade
65%
more common than other girls

711 babies have been named Kaja since 1957, making it today's #6226 girls' name.

According to the U.S. Social Security Administration, Kaja has been recorded 711 times among girls since 1957, currently ranked #6226 nationally and more common than 65% of girls, with its heaviest use in the 2000s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1957 to 2025.

  • #6226 among girls today
  • 711 born since 1957
  • 2000s peak decade
  • 65% more common than other girls

Data updated Jun 2026

The verdict

Kaja is currently the #6226 girls' name in America, more common than 65% of girls - 711 born since 1957, peaking in the 2000s.

#6226
among girls today
711
born since 1957
2000s
peak decade
65%
more common than other girls

Kaja vs. every other girls name in current SSA rankings

0%100%Median name50%64.8%
Kaja vs. every other girls name in current SSA rankings
#6226
of 17,726 girls in use

More common than 65% of names given to girls today.

2000s
Peak decade

25% of everyone ever named Kaja was born in this single decade.

2009
Single peak year

25 babies were named Kaja in 2009 - its busiest year on record.

How Kaja compares

711 Top 38% higher than 62% of 17,726 names currently given to girls

Based on all-time total births among currently-ranked girls 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

Kaja's all-time total is 86% above the median girls name, and Olivia still leads by a wide margin.

Metric Kaja Median girls name (Emerly) #1 girls name (Olivia)
All-time total births 711 382 567,345
Peak-year births 25 48 19,840

Kaja's usage pattern, beyond the headline number

Divide Kaja's SSA record in two at 2000 and the more recent half accounts for 62% of all births, the earlier half the remaining 38%, consistent with a name still gaining ground rather than fading. Its calmest year was 1957, with only 5 births recorded -- set against the 2009 peak of 25, that's the full swing in one name's fortunes.

Kaja at a glance

Outside the top 1,000

Total births

711

Since 1957

69 years of records

Peak year

2009

25 births that year

Strongest decade: 2000s

Current rank

#6,226

Among girls

As of 2025

Active since

1957

Recorded for 69 years

Last year on file: 2025

Kaja popularity over time

Annual U.S. births registered with the Social Security Administration · 1957–2025

Outside the top 1,000
Peak year (2009)
25
Annual births at peak, across 69 years of records
051015202530 195719801988199520022009201620232025 16

Kaja by decade

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

2000s was Kaja's strongest decade.

175 babies received the name during that ten-year window, about 25% of all-time use.

Kaja births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 175 births (25% of all-time use).

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

How Kaja compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Kaja's total volume

Kaja vs 15 similarly-sized girls names

Kaja vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%5%10%15% 050100150 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 Kaja
Kaja vs 15 similarly-sized girls names

Kaja by state

Where Kaja concentrates geographically, total births since 1957

Geographically diffuse
Top 2 states by recorded births for the name Kaja
Rank State Visual share Births Share of total
#1 California
8 1.1%
#2 Florida
5 0.7%
California share of Kaja's total US births 1.1%
Even split

8 of 711 births nationwide. Compared to a flat distribution across 2 reporting states.

Frequently Asked Questions

How popular is the name Kaja?
Since 1957, Social Security records show 711 babies named Kaja. Today it holds rank #6226 among girls. Its busiest year on record was 2009, with 25 births.
When was Kaja most popular?
Kaja was most popular in the 2000s decade with 175 total births. The single peak year was 2009.
Where is Kaja most popular?
The top states for the name Kaja are California (8 births), Florida (5 births).
How long has the name Kaja been used?
Kaja has been recorded in Social Security data since 1957, spanning 69 years of data through 2025.
What names are similar to Kaja?
Names with a similar sound or spelling include Kajsa, Kajal, Kajuana, Kajah, and 4 more. These share a common prefix and are also used for girls.

What to do with Kaja's data

  • Kaja's usage has stayed within range of its 2000s decade-level peak (175 total births) through the 2020s (92) -- a comparatively stable name, not a fading trend.
  • California records the most Kajas (8 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, 1957–2025 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Kaja: #6226 Girls' Name - 711 Births, Peak 2009." NameAlmanac. Accessed via https://namealmanac.com/name/kaja. 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 Kaja 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.