Koi
2 countries#3036 in United States, 2025Popularity across 2 countries
Each line is scaled to its own peak, so you can compare when Koi was in fashion in each country, whatever the population size.
Country by country
🇺🇸 United States
1,482 births recorded 1995–2025 · currently #3036 · peaked in 2023 with 127 births
Most common in: Texas, Louisiana, Georgia, Florida, Pennsylvania
Source: Social Security Administration, official birth-registration data
🏴🏴 England & Wales
3 births recorded 2016–2016 · peaked in 2016 with 3 births
Source: Office for National Statistics, official birth-registration data
🇬🇧 United Kingdom
3 births recorded 2016–2016 · peaked in 2016 with 3 births (England & Wales + Scotland + Northern Ireland combined)
Source: ONS, National Records of Scotland & NISRA (combined), official birth-registration data
United States rank history
Koi’s rank among boys’ names, most recent 20 years on record.
| Year | Rank | vs. prior yr |
|---|---|---|
| 2006 | #4675 | — |
| 2007 | #5210 | ↓535 |
| 2008 | #4044 | ↑1166 |
| 2009 | #4748 | ↓704 |
| 2010 | #3239 | ↑1509 |
| 2011 | #2904 | ↑335 |
| 2012 | #4003 | ↓1099 |
| 2013 | #3189 | ↑814 |
| 2014 | #3234 | ↓45 |
| 2015 | #4407 | ↓1173 |
| 2016 | #3883 | ↑524 |
| 2017 | #3993 | ↓110 |
| 2018 | #3301 | ↑692 |
| 2019 | #3052 | ↑249 |
| 2020 | #2658 | ↑394 |
| 2021 | #2499 | ↑159 |
| 2022 | #2243 | ↑256 |
| 2023 | #2441 | ↓198 |
| 2024 | #2674 | ↓233 |
| 2025 | #3036 | ↓362 |
Frequently asked questions about Koi
Is Koi a popular name?
Yes — Koi currently ranks #3036 among boys’ names in United States as of 2025, based on official birth records.
Is Koi more common for boys or girls?
Koi is recorded predominantly as a boys’ name in official United States birth data.
When was Koi most popular?
Koi peaked in 2023 in United States, with 127 recorded births that year.
Is Koi rising or falling in popularity?
In United States, Koi’s popularity is rising — its rank has improved from #6992 in 1995 to #3036 in 2025.
How many babies have been named Koi?
At least 1,485 babies have been recorded with the name Koi across official birth statistics in 2 countries.
Is Koi popular in more than one country?
Yes — Koi appears in official birth records in 2 countries: United States, England & Wales.
What names are similar in popularity to Koi?
Based on real 2025 ranking data in United States, names ranked closest to Koi include Kavion, Loren, Macsen.
Similar names right now
Ranked directly next to Koi in United States, 2025 — a real popularity match, not a subjective list.