Chiaki Kuriyama
There are approximately 1 people named Chiaki Kuriyama 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 Chiaki with Census Bureau frequency data for the surname Kuriyama. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
1
1 in 342,754,338
Named Chiaki
21
Alive today
Named Kuriyama
206
Alive today
US population
343M
Denominator
Estimated living: 21
Rarity: Very Rare
Gender: Female
Peak year: 1990
Average age: 30
Estimated bearers: 206
Rarity: Very Rare
Census rank: #97,671
Per 100K: 0.06
Top ancestry: Asian/Pacific Islander (73.7%)
First name trend
Chiaki: popularity over time
Year-by-year SSA birth registrations for the first name Chiaki. The peak year was 1990 with 6 births. The average person named Chiaki today is 30 years old.
Babies born per year
Ethnicity
Ancestry of the Kuriyama surname
Self-reported race and ethnicity breakdown for people with the surname Kuriyama, from the 2010 US Census Bureau. The largest group is Asian/Pacific Islander at 73.7%.
- Asian and Pacific Islander73.7%
- White12.9%
- Hispanic or Latino8.1%
- Two or more races5.4%
Methodology
How we calculated this
The first name Chiaki has a living-bearer frequency of 0.0000% of the US population, based on 21 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Kuriyama appears at a rate of 0.06 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0001%.
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 Chiaki Kuriyama. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
FAQ
Chiaki Kuriyama: questions and answers
How many people are named Chiaki Kuriyama?
We estimate approximately 1 people in the United States share the full name Chiaki Kuriyama. 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 (0.06 per 100K) against the current US population.
How rare is the name Chiaki Kuriyama?
We classify Chiaki Kuriyama as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Chiaki a male or female name?
Chiaki is predominantly female. Out of 22 total SSA registrations, 0.0% were male and 100.0% were female. See the full Chiaki 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 2010 US Census Bureau decennial surname tables. Living-bearer estimates use CDC actuarial life tables to adjust for mortality. Read the full methodology.