How Many People Are Named Nobuko?
An estimated 17 people in the United States have the first name Nobuko. It is almost exclusively a female name. The average bearer is 91 years old, and Nobuko peaked in popularity in 1924 with 33 births that year.
Below you will find a full statistical profile of Nobuko 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 Nobuko paired with any surname.
Key Insights
- With an average bearer age of 91, Nobuko is a vintage name most associated with earlier generations. Most living bearers were born before 1945.
- Nobuko is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
17
About 1 in 20,162,020 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
91
years old
Peak Year
1924
33 births
Total Registered
371
since 1880
Gender Distribution for Nobuko
Nobuko is almost exclusively a female name. Out of 371 total births registered, 100.0% were female.
Nobuko as a female name
Ranked #4,297 in 1941
6 female births in 1941
Peak: 1924 (33 births)
Nobuko: Popularity Over Time
SSA records for Nobuko span from the 1910s to the 1940s, covering 4 decades of naming data. The most popular decade for this name was the 1920s, when 234 babies were registered. Nobuko has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Nobuko by Decade
How has Nobuko 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.
Nobuko by State
Nobuko + Last Name Combinations
How many people share a full name with Nobuko as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Nobuko
Other first names starting with N with a similar number of bearers.
Nobuko: Questions and Answers
How many people in the U.S. are named Nobuko?
We estimate approximately 17 people named Nobuko 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 20,162,020 Americans share this first name.
Is Nobuko a common name?
Nobuko is classified as "Very Rare" and is more popular than 37.6% of all first names in the SSA database. A total of 371 births have been registered with this name since 1880.
When was Nobuko most popular?
Nobuko reached peak popularity in 1924, when 33 babies were given this name. The average age of a living person named Nobuko is approximately 91 years old, reflecting when the name was most commonly given.
Is Nobuko a female name?
Nobuko is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Nobuko Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Nobuko Smith, Nobuko Johnson, Nobuko 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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