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.
- #5,851 of 45,481
- all-time among boys
- #3,063 of 13,930
- 2025 SSA year
- 813
- born since 1995
- 2010s
- peak decade
813 babies have been named Koi since 1995, making it today's #3063 unisex name.
Koi has 813 recorded births among boys since 1995, per the U.S. Social Security Administration, ranked #3063 as of the latest data, more common than 78% 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.
- #5,851 of 45,481 all-time among boys
- #3,063 of 13,930 2025 SSA year
- 813 born since 1995
- 2010s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Koi ranks #5,851 of 45,481 boys' names by all-time recorded births (highest first) and #3,063 of 13,930 among boys' names in 2025. 813 born since 1995, peaking in the 2010s.
- #5,851 of 45,481
- all-time among boys
- #3,063 of 13,930
- 2025 SSA year
- 813
- born since 1995
- 2010s
- peak decade
Koi's 813 recorded births place it above 87.12% of the 45,481 boys names in the full SSA archive.
8 jurisdictions carry state-level records, led by Texas.
How Koi compares
813 Top 35% higher than 65% of 13,930 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 120% above the median boys name, and Liam still leads by a wide margin.
| Metric | Koi | Median boys name (Takari) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 813 | 369 | 358,536 |
| Peak-year births | 64 | 34 | 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 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
2010s is the heaviest window (315 births, 39% of the file).
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 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% |
37 of 813 births nationwide. Compared to a flat distribution across 8 reporting states.
Frequently Asked Questions
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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
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
Nationwide names with similar peak year or record span
Two nationwide peer axes for Koi: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2022)
Similar record span (~30 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 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).
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 August 2026.