Baby Names US
boys' name ★ peaked 2023

Kaio

Gender Boy Rank 2025 #4,619 Trend ↑ Rising 39%
Rank 2025
#4,619
among boys · ↓480 vs 2024
Babies in 2025
22
named Kaio · -15% vs 2024
How common
1 in 77,640
boys born in 2025
Peak year
2023
26 babies
All-time total
429
#8,651 all-time among boys
First recorded
1993
in Social Security records

Kaio popularity over time

429 babies have been named Kaio since 1993, 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
0.010.010.020.0218801900192019401960198020002020Peak 2023Boys

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 Boys Per year Change Best rank
1880s – – – –
1890s – – – –
1900s – – – –
1910s – – – –
1920s – – – –
1930s – – – –
1940s – – – –
1950s – – – –
1960s – – – –
1970s – – – –
1980s – – – –
1990s 19 2 – #6,250
2000s 115 12 +505% #4,329
2010s 167 17 +45% #4,535
2020s (to 2025) 128 21 +28% #4,139

Where Kaio 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 23 0.01 outside top 500
2027 24 0.01 outside top 500
2028 25 0.01 outside top 500
2029 25 0.01 outside top 500
2030 26 0.02 outside top 500

The story of Kaio

Kaio is rare for boys in the United States, ranked #4,619 in 2025 with 22 babies given the name. It is currently rising compared with a decade ago.

Since 1993, 429 American babies have been named Kaio. Its peak came in 2023, when 26 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 Kaio stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Kaio?

The median living Kaio is about 11 years old; half are between 4 and 17. An estimated 400 people named Kaio are alive in the United States today.

median 11 020406080100

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

Kaio year by year

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

Year Boys Boys rank
2025 22 #4,619
2024 26 #4,139
2023 26 #4,166
2022 17 #5,535
2021 19 #5,022
2020 18 #5,138
2019 18 #5,253
2018 20 #4,841
2017 13 #6,491
2016 15 #5,918
2015 9 #8,373
2014 19 #4,973
2013 21 #4,535
2012 16 #5,599
2011 15 #5,816
2010 21 #4,600
2009 22 #4,505
2008 23 #4,329
2007 13 #6,448
2006 11 #7,178
2005 14 #5,729
2004 8 #8,527
2003 11 #6,493
2002 8 #8,052
2001 5 #11,462
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 – –

Famous people named Kaio

The most globally famous bearers of the name, ranked by fame across Wikipedia editions (Pantheon project, MIT).

  1. 1 Kaio Felipe Gonçalves Brazilian footballer (born 1987) Contemporary

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

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

How old is the average Kaio?

The median living Kaio is about 11 years old. Half of all living Kaios are between 4 and 17 years old.

How many people named Kaio are alive today?

An estimated 400 people named Kaio are alive in the United States, based on 429 recorded births and Social Security life tables.

How popular is the name Kaio in 2025?

Kaio ranked #4,619 among boys' names in the United States in 2025, with 22 babies given the name, according to Social Security Administration data.

How many people are named Kaio?

429 babies have been named Kaio in the United States since 1993, based on Social Security card applications.

When was the name Kaio most popular?

Kaio peaked in 2023, when 26 newborns received the name.

Is Kaio a boy or girl name?

Kaio is overwhelmingly a boy's name: 100% of babies with the name.

Is the name Kaio rising or falling?

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

Will Kaio become more popular?

Kaio is trending upward. If the recent trend holds, we project roughly 26 boys named Kaio in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Who are famous people named Kaio?

Well-known people named Kaio include Kaio Felipe Gonçalves (soccer player).

Names like Kaio

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

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