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Kazuki

#12,982 in 2025Boys' name

One or harmony, peace

Kazuki has been given to 386 babies in the U.S. since 1987. In 2025 it ranked #12,982 of 13,926 boys’ names in use. Its peak year was 1998, with 20 recorded.

Babies named Kazuki, 2025

1 in 663,000

Kazuki over time, 1880–2025

Boys
0510152018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Kazuki: meaning, origin, and history

One or harmony, peace

Japanese

What Kazuki means

Kazuki means “one or harmony, peace”.

Documented naming usage and pronunciation

Kazuki is used in Japanese.

Another recorded pronunciation is /kä.zɨᵝ.kʲi/ for Kazuki.

Origin, language, and formation

Kazuki is used in English. Its origins include Japanese.

American usage and historical context

In the United States, 386 boys were recorded with the name Kazuki between 1987 and 2025. Its highest annual count was 20 in 1998; its best national rank was #3,647 in 1998.

Over 5 years its rank fell, from #8,399 in 2020 to #12,982 in 2025. Over 10 years its rank fell, from #10,101 in 2015 to #12,982 in 2025.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Kazuki?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 663,000
5 of 3,315,165 births
Among boys only
1 in 342,000
<0.01% of boys
Rank, 2025
#12,982
of 13,926 boys’ names in use
Coin-flip room size
459,581 kids
Even odds of a second one

Where Kazuki sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 459,581 children born in 2025 and it's an even bet that one of them is another Kazuki. In a class of 30 the chance is Under 1%.

When Kazukis were born

Half of everyone ever recorded as Kazuki was born before 2004 — so the typical Kazuki is around 21 today.

Median birth year
2004
About 21 years old
Biggest decade
1990s
34.5% of all use
Born in the last 25 years
58.5%
A modern name
Recorded since 1950
386
People you could plausibly meet
Choose a decade

1990s — 34.5% of all recorded uses (133).

Is Kazuki rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
+307
Places climbed
Rank vs 5 years ago
−4,583
Places dropped
Rank vs 10 years ago
−2,881
Places dropped
Births vs 10 years ago
0.71×
Fewer babies than then
Share of its own peak
25.0%
Peak was 1998 (20)
Years since peak
27
Years
Year-to-year steadiness
Volatile
25.8% average annual change
Best rank ever
#3,647
1998

Spellings of Kazuki

Kazuki is not the most common spelling — Kazuo is, with 45.0% against Kazuki's 22.8%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Kazuki is used

Across 1910–2025, Kazuki was most concentrated in California — about 1 in — boys, against 1 in 1,618,765 across all states with data. It was least common in New York (1 in —).

00 per 100,000

Most concentrated

  1. 1California1 in —
  2. 2New York1 in —

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Kazuki has too little recent state data to map, so this covers all years from 1910.

Kazuki around the world

Where Kazuki ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    1996–2022
    #4,790
    in 2022
  • France
    2014–2014
    #6,544
    in 2014
  • South Australia
    2002–2002
    #606
    in 2002

Popularity data from Office for National Statistics, Institut national de la statistique et des études économiques and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. INSEE data under Licence Ouverte / Etalab 2.0. CBS SA data under CC BY 4.0.

Kazuki by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
#12,982
Trend vs 5 yrs ago
Down 4,583
Best rank ever
#3,647
1998
Peak year
1998
20 that year
First recorded
1987
Last recorded
2025
All-time count
386
Count in 2025
5

Names similar to Kazuki

Matched on shared beginnings and endings, similar length, and comparable popularity.

KazumaKazmirKazimirHarukiKazuoKaziahKazimKazdenKazuyaKaziKazeemKazenKazumiKazuyukiKazierYuukiKazutoKazKazeKazirKazariYukiKazielKazai

Sibling names for Kazuki

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Kazuki

Top names of 1998, Kazuki's peak yearThe 1990s in fullOther names that peaked in 1998Boys' names starting with KJapanese Boy Names