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Riko

UnisexGirls' nameBoys' name

Japanese name; meaning depends on kanji

Riko has been given to 196 babies in the U.S. since 2002. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 2017, with 12 recorded. It's used for both sexes: 55% girls, 45% boys all-time.

Babies named Riko, 2023

1 in 474,000

Riko over time, 1880–2025

GirlsBoys
05101518801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Girls or boys — Riko over time

In 2024, Riko went to 0% girls and 100% boys.

19782024

A sex is only published in years it reached five applications, so a stretch at 0% or 100% means the other side stayed under that floor — not that it was never used.

Riko: meaning, origin, and history

Japanese name; meaning depends on kanji

Japanese

What Riko means

Riko is documented with more than one possible Japanese character combination. The Latin-letter spelling records a pronunciation; it does not specify one unique kanji spelling or one universal meaning.

Possible character meanings include white jasmine, reason, logic, child.

Documented naming usage and pronunciation

Riko is used in Japanese.

Another recorded pronunciation is /ɾi.ko̞/ for Riko.

American usage and historical context

In the United States, 108 girls were recorded with the name Riko between 2002 and 2023. Its highest annual count was 12 in 2017; its best national rank was #9,232 in 2017.

In the United States, 88 boys were recorded with the name Riko between 1978 and 2024. Its highest annual count was 8 in 2020; its best national rank was #5,389 in 1980.

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.

How common is Riko?

Riko had fewer than 5 recorded uses in 2025, so these figures use 2023, the last year it was published.

Among all babies, 2023
1 in 474,000
7 of 3,314,783 births
Among girls only
1 in 229,000
<0.01% of girls
Rank, 2023
Unranked
Fewer than 5 uses
Coin-flip room size
328,234 kids
Even odds of a second one

Where Riko sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 2023 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 328,234 children born in 2023 and it's an even bet that one of them is another Riko. In a class of 30 the chance is Under 1%.

When Rikos were born

Half of everyone ever recorded as Riko was born before 2013 — so the typical Riko is around 12 today.

Median birth year
2013
About 12 years old
Biggest decade
2010s
46.3% of all use
Born in the last 25 years
100.0%
A modern name
Recorded since 1950
108
People you could plausibly meet
Choose a decade

2010s — 46.3% of all recorded uses (50).

Is Riko 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
—
Not ranked then
Rank vs 5 years ago
New entry
Not ranked then
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
0%
Peak was 2017 (12)
Years since peak
8
Years
Year-to-year steadiness
Volatile
34.6% average annual change
Best rank ever
#9,232
2017

Spellings of Riko

Riko is not the most common spelling — Rita is, with 55.9% against Riko's 0.02%.

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.

Riko around the world

Where Riko 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.

  • South Australia
    2013–2013
    #818
    in 2013

Popularity data from Consumer and Business Services (South Australia). CBS SA data under CC BY 4.0.

Riko by the numbers

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

As a girl's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#9,232
2017
Peak year
2017
12 that year
First recorded
2002
Last recorded
2023
All-time count
108
Count in 2025
Under 5

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#5,389
1980
Peak year
2020
8 that year
First recorded
1978
Last recorded
2024
All-time count
88
Count in 2025
Under 5

Names similar to Riko

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

KikoRikiaRikiRikkaKamikoAmikoNikoRikaRikitaMikoEikoMeikoRikkiaRikiyaErikoMaikoYumikoNamikoRikaylaRikkeAnikoAkikoAikoTimiko

Sibling names for Riko

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 Riko

Top names of 2017, Riko's peak yearThe 2010s in fullOther names that peaked in 2017Girls' names starting with R