Koi

Girl · recorded 1999–2025 · given to both girls and boys (about 2.1 to 1)

  • #2,194in 2025
  • 1 in 19,134girls in 2025
  • +418%last ten years

2025 was its biggest year ever, up 418% in ten years.

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Meaning

We don’t have a verified meaning for Koi.

We only publish meanings we can cite to a source you could check yourself. Most sites will give you one anyway; the ones you find elsewhere are often copied between sites without verification.

Its story

Popularity since 1999

0265219992006201220192025

Hover over or drag across the chart to see any year.

Per million girls born. Years with fewer than five births are not in the record, so the line breaks rather than dropping to zero.
See the 26 recorded years as a table
Koi, per million girls born. Years absent from the table had fewer than five births.
YearPer million
19993
20014
20025
20035
20043
20054
20068
20076
20087
20095
201011
20118
20129
201315
201412
201510
201611
201714
201819
201920
202021
202140
202226
202345
202433
202552

Where it’s loved

Most popular in these states

Compared with the country as a whole, pooled over 2023–2025.

  1. Texas 1.2×

More like it

More like Koi

The numbers

Every figure

Births in 2025
84
Rank in 2025
#2,194
How rare
1 in 19,134 girls
Since 1999
669

Most popular in 2025, at 52 per million girls born.

Over the ten years to 2025 it has risen by 418% per million girls born.

Top 1 states by concentration, pooled over 2023–2025
StateTimes the national rateBirths pooled
Texas1.2×25

Figures from the US Social Security Administration’s 2025 release. How these numbers are made.