How Many People Are Named Roi?
An estimated 364 people in the United States have the first name Roi. It is used for both genders, with 87.1% male. The average bearer is 21 years old, and Roi peaked in popularity in 2024 with 31 births that year.
Below you will find a full statistical profile of Roi as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Roi paired with any surname.
Estimated Living Americans
364
About 1 in 941,633 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
87.1% confidence
Average Age
21
years old
Peak Year
2024
31 births
Total Registered
396
since 1880
Gender Distribution for Roi
Roi is predominantly male (87.1%), though 51 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Roi as a male name
Ranked #3,661 in 2024
31 male births in 2024
Peak: 2024 (31 births)
Roi as a female name
Ranked #6,841 in 1957
5 female births in 1957
Peak: 1949 (10 births)
Roi: Popularity Over Time
SSA records for Roi span from the 1940s to the 2020s, covering 9 decades of naming data. The most popular decade for this name was the 2010s, when 126 babies were registered. Roi remains highly popular today, with recent registration numbers near its historical peak.
Roi by Decade
How has Roi tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Roi by State
Birth registrations for Roi span all 4 states and territories in the SSA database. The highest counts are in New York, California, Massachusetts. The lowest are in Texas, Massachusetts, California. On average, about 9 Rois were registered per state.
Roi + Last Name Combinations
How many people share a full name with Roi as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Roi
Other first names starting with R with a similar number of bearers.
Roi: Questions and Answers
How many people in the U.S. are named Roi?
We estimate approximately 364 people named Roi are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 941,633 Americans share this first name.
Is Roi a common name?
Roi is classified as "Very Rare" and is more popular than 81.3% of all first names in the SSA database. A total of 396 births have been registered with this name since 1880.
When was Roi most popular?
Roi reached peak popularity in 2024, when 31 babies were given this name. The average age of a living person named Roi is approximately 21 years old, reflecting when the name was most commonly given.
Is Roi a male name?
Roi is predominantly male. 87.1% of people with this name are male. See the gender breakdown above for full details.
How many Roi Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Roi Smith, Roi Johnson, Roi Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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