Total births
813
Unisex name · since 1995
Koi
813 babies named Koi in U.S. Social Security records since 1995, with the highest year being 2022. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #2704
- among boys today
- 813
- born since 1995
- 2010s
- peak decade
- 81%
- more common than other boys
813 babies have been named Koi since 1995, making it today's #2704 unisex name.
Koi has 813 recorded births among boys since 1995, per the U.S. Social Security Administration, ranked #2704 as of the latest data, more common than 81% of boys, busiest in the 2010s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1995 to 2025.
- #2704 among boys today
- 813 born since 1995
- 2010s peak decade
- 81% more common than other boys
Data updated Jun 2026
The verdict
Koi is currently the #2704 unisex name in America, more common than 81% of boys - 813 born since 1995, peaking in the 2010s.
- #2704
- among boys today
- 813
- born since 1995
- 2010s
- peak decade
- 81%
- more common than other boys
Koi vs. every other boys name in current SSA rankings
#2704
of 14,294 boys in use
More common than 81% of names given to boys today.
2010s
Peak decade
39% of everyone ever named Koi was born in this single decade.
2022
Single peak year
64 babies were named Koi in 2022 - its busiest year on record.
How Koi compares
813 Top 34% higher than 66% 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
Koi's all-time total is 122% above the median boys name, and Liam still leads by a wide margin.
| Metric | Koi | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 813 | 367 | 358,536 |
| Peak-year births | 64 | 23 | 22,252 |
Koi's usage pattern, beyond the headline number
Koi splits its recorded history at 2011: 72% of all births land in the more recent half, 28% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 1995 (7 births) -- compare that against the 2022 peak of 64 for a sense of just how much the name's popularity has swung.
Koi at a glance
Outside the top 1,000Peak year
2022
Current rank
#2,704
Active since
1995
Koi popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 1995–2025
- Peak year (2022)
- 64
- Annual births at peak, across 31 years of records
Koi popularity over time - girls
669 total births recorded since 1999 (Koi as girls' name)
Koi by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Koi's strongest decade.
315 babies received the name during that ten-year window, about 39% of all-time use.
Koi births by decade
Total births in each ten-year window
- 1990s 33
1990s
33 births
- 2000s
2000s
157 births
- 2010s
2010s
315 births
- 2020s
2020s
308 births
What this shows Peak: 2010s at 315 births (39% of all-time use).
How Koi 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 Koi's total volume
Koi vs 15 similarly-sized boys names
Koi by state
Where Koi concentrates geographically, total births since 1995
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Texas | | 37 | 4.6% |
| #2 | Georgia | | 26 | 3.2% |
| #3 | Louisiana | | 24 | 3.0% |
| #4 | Florida | | 15 | 1.8% |
| #5 | Pennsylvania | | 12 | 1.5% |
| #6 | California | | 6 | 0.7% |
| #7 | Illinois | | 5 | 0.6% |
| #8 | North Carolina | | 5 | 0.6% |
Texas share of Koi's total US births 4.6%
Even split
37 of 813 births nationwide. Compared to a flat distribution across 8 reporting states.
Frequently Asked Questions
How popular is the name Koi? ▼
Since 1995, Social Security records show 813 babies named Koi. Today it holds rank #2704 among boys. Its busiest year on record was 2022, with 64 births.
When was Koi most popular? ▼
Koi was most popular in the 2010s decade with 315 total births. The single peak year was 2022.
Where is Koi most popular? ▼
The top states for the name Koi are Texas (37 births), Georgia (26 births), Louisiana (24 births).
Is Koi a unisex name? ▼
Yes, Koi is used for both boys and girls. As a boy's name it has 813 births, and as a girl's name it has 669 births.
How long has the name Koi been used? ▼
The SSA has tracked Koi since 1995 -- 31 years through the most recent 2025 data.
What names are similar to Koi? ▼
Names with a similar sound or spelling include Koichi. These share a common prefix and are also used for boys.
What to do with Koi's data
- Koi's usage has stayed within range of its 2010s decade-level peak (315 total births) through the 2020s (308) -- a comparatively stable name, not a fading trend.
- Texas records the most Kois (37 births) -- see the full state breakdown if geography matters to your decision. Texas 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.
Keep exploring Koi
Nearby Names Like Koi
Names with a similar sound, spelling, or feel to Koi
Compare Koi side by side: Koi vs Koichi
Related Names
Names with a similar popularity rank to Koi
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, 1995–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Koi: #2704 Unisex Name - 813 Births, Peak 2022." NameAlmanac. Accessed via https://namealmanac.com/name/koi. 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 Koi 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.