Shigetoshi Hasegawa
There are approximately 1 people named Shigetoshi Hasegawa living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 342,754,338 Americans.
This estimate combines SSA birth records for the first name Shigetoshi with Census Bureau frequency data for the surname Hasegawa. Below you will find a breakdown of both names, including popularity trends, gender data, and Census demographics where available.
Expected bearers
1
1 in 342,754,338
Named Shigetoshi
0
Alive today
Named Hasegawa
1.8K
Alive today
US population
343M
Denominator
Estimated living: 0
Rarity: Very Rare
Gender: Male
Peak year: 1917
Average age: 0
Estimated bearers: 1.8K
Rarity: Rare
Census rank: #17,631
Per 100K: 0.52
Top ancestry: Asian/Pacific Islander (77.2%)
First name trend
Shigetoshi: popularity over time
Year-by-year SSA birth registrations for the first name Shigetoshi. The peak year was 1917 with 5 births. The average person named Shigetoshi today is 0 years old.
Babies born per year
Ethnicity
Ancestry of the Hasegawa surname
Self-reported race and ethnicity breakdown for people with the surname Hasegawa, from the 2020 US Census Bureau. The largest group is Asian/Pacific Islander at 77.2%.
The bar chart below shows how people with the surname Hasegawa described their own race and ethnicity on the 2020 Census form. These are self-reported numbers, and they describe the population who happened to carry the surname Hasegawa at the time of the Census. A surname does not determine a person's race or ethnicity.
- Asian and Pacific Islander77.2% · 1,208
- Two or more races12.7% · 199
- White6.8% · 106
- Hispanic or Latino3.0% · 47
- Black or African American0.3% · 5
Methodology
How we calculated this
The first name Shigetoshi has a living-bearer frequency of 0.0000% of the US population, based on 0 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Hasegawa appears at a rate of 0.52 per 100,000 residents in the 2020 Census Bureau surname file, which translates to a frequency of 0.0005%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 1 people with the full name Shigetoshi Hasegawa. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
FAQ
Shigetoshi Hasegawa: questions and answers
How many people are named Shigetoshi Hasegawa?
We estimate approximately 1 people in the United States share the full name Shigetoshi Hasegawa. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0000%) with the surname frequency (0.52 per 100K) against the current US population.
How rare is the name Shigetoshi Hasegawa?
We classify Shigetoshi Hasegawa as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Shigetoshi a male or female name?
Shigetoshi is predominantly male. Out of 5 total SSA registrations, 100.0% were male and 0.0% were female. See the full Shigetoshi profile for detailed gender data.
Where does this data come from?
First-name data comes from the Social Security Administration's national baby name files (1880 to 2024). Surname data comes from the 2020 US Census Bureau decennial surname tables. Living-bearer estimates use CDC actuarial life tables to adjust for mortality. Read the full methodology.
How many people have the full name Shigetoshi Hasegawa?
You can see how common the name Shigetoshi Hasegawa is on our sister site HowManyOfMe.org — same data roots, lighter UI.