Michio
Around intellect or man of a brilliant mental faculty.
Name Census estimates that about 12 living Americans carry the first name Michio. The name is used almost exclusively for boys. The average person named Michio today is around 64 years old, and the year with the single highest number of Michio births was 1932 (8 babies).
This page is the full Name Census profile for Michio. Below you will find a gender breakdown showing how the name splits between male and female registrations, a year-by-year popularity chart stretching back to 1880, decade-level totals, the top US states for this name, its meaning and etymology, and a set of frequently asked questions with data-backed answers.
Key insights
- • Fewer than 100 living Americans are believed to carry the name Michio. It is among the rarest names in the SSA records.
People living today
12
~ 1 in 28,562,862 Americans
Peak year
1932
8 babies that year
Average age
64
years old
2011 SSA rank
#13,662
Tracked since 1915
Census
Michio in the 2020 Census
The 2020 Census recorded 187 people with the first name Michio, which placed it at #40,012 in the published first-name tables. This is a snapshot of people who already had the name at the time of the Census.
The SSA sections elsewhere on this page answer a different question: how often parents gave the name to babies over time. The "people living today" figure on this page is different again: it is a current estimate built from SSA birth records and age-based survival rates, so the two numbers are not expected to match exactly.
2020 Census rank
#40,012
National first-name rank
People counted
187
187 in the published race/origin table
Per 100,000
0.1
People with this name in 2020
Largest reported group
Asian and Pacific Islander
74.3% of people with this name
Demographics
Ancestry and ethnicity for Michio
In the 2020 Census race and Hispanic-origin table, the largest reported group for people named Michio is Asian/Pacific Islander at 74.3%. The next largest groups are Two or More Races (15.0%) and Black (3.7%). These figures describe the people who had the name in 2020, not any inherent property of the name itself.
The bar chart below shows how people with the first name Michio described their own race and ethnicity on the 2020 Census form. The Census Bureau groups responses into six broad categories: White, Black or African American, Hispanic or Latino, Asian and Pacific Islander, American Indian and Alaska Native, and Two or More Races. When a category has too few respondents for a given name, the Bureau suppresses the figure to protect individual privacy, which is why some names show fewer than six slices.
Percentages are shown so the breakdown is easy to read across every published category. Because the 2020 Census first-name file also includes raw headcounts for each group, Name Census can show those alongside the percentages in the legend and hover tooltip.
Keep in mind that these are self-reported numbers. A first name does not determine a person's race or ethnicity, and the distribution you see here reflects the specific population who happened to carry the name Michio at the time of the 2020 Census, not any inherent property of the name itself.
- Asian and Pacific Islander74.3% · 139
- Two or more races15.0% · 28
- Black or African American3.7% · 7
- Hispanic or Latino3.7% · 7
- White2.7% · 5
- American Indian and Alaska Native0.5% · 1
Popularity
Michio: popularity over time
The SSA tracks Michio from the 1910s through to the 2010s, spanning 4 decades of birth certificate data. The biggest single decade for the name was the 1920s, with 46 total registrations. Usage has dropped considerably from its 1920s peak. The most recent decade brought in only a fraction of the registrations that the name once attracted.
Babies born per year
Decades
Michio by decade
The table below breaks the full SSA timeline into ten-year windows. Each row shows how many male and female babies were given the name Michio during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Geography
Where Michios live
Origin
Meaning and history of Michio
The given name Michio originates from the Japanese language. It is a masculine name that has been in use since at least the 8th century AD during the Nara period of Japanese history. The name is derived from the Japanese words "mi," meaning "beautiful," and "chi," meaning "wisdom" or "knowledge." Together, Michio can be interpreted to mean "beautiful wisdom" or "beautiful knowledge."
The earliest recorded use of the name Michio dates back to the Kojiki, a historical record of ancient Japanese mythology and early history compiled in 712 AD. In this text, Michio is mentioned as the name of a minor deity associated with agriculture and fertility.
Throughout Japanese history, Michio has been a relatively common name, particularly among the samurai class and nobility. One notable historical figure with this name was Michio Suzuki, a renowned Zen Buddhist monk and calligrapher who lived from 1887 to 1982. He is remembered for his contributions to the spread of Zen teachings in the West.
Another prominent individual named Michio was Michio Ito, a Japanese painter and printmaker who lived from 1892 to 1961. He is celebrated for his innovative woodblock prints that combined traditional Japanese techniques with Western influences.
In the field of science, Michio Kaku, born in 1947, is a well-known theoretical physicist and futurist. He has made significant contributions to the study of string theory and has written several popular science books, including "Physics of the Impossible" and "Hyperspace."
One of the earliest recorded instances of the name Michio in the West can be found in the writings of the 16th-century Portuguese Jesuit missionary and writer, Luis Frois. In his accounts of his time in Japan, Frois mentions encountering several individuals with the name Michio.
While the name Michio has its roots in Japanese culture, it has gained some popularity in other parts of the world, particularly among those with an interest in Japanese language and traditions. However, its use remains primarily concentrated in Japan.
People
Michio + last name combinations
How many people share a full name with Michio as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with M
Other first names starting with M with a similar number of bearers.
FAQ
Michio: questions and answers
How many people in the U.S. are named Michio?
Name Census puts the figure at roughly 12 living Americans. We arrive at this by taking every SSA birth registration for Michio going back to 1880 and adjusting each cohort for expected survival using CDC actuarial life tables. The result is an age-weighted living-bearer count, not a raw birth total. That works out to about 1 in 28,562,862 US residents.
Is Michio a common name?
We classify Michio as "Very Rare". It ranks above 32.3% of all first names in the SSA dataset by living bearers. Across the full history of the data, 90 babies have been registered with this name.
When was Michio most popular?
The single biggest year for Michio was 1932, when 8 babies received the name. The fact that the average living Michio is about 64 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
How common was Michio in the 2020 Census?
The published 2020 Census first-name tables recorded 187 people with the name Michio, or 0.06 per 100,000 residents. That placed it at #40,012 in the national Census ranking for first names.
Why is the Census count different from the living estimate?
Because they measure different things. The Census figure is a count of people who had the name Michio in 2020. The living estimate aims to answer a current question instead: how many people with the name are alive today, based on SSA birth records and age-based survival rates. Since one number is a 2020 snapshot and the other is a present-day estimate, they are not expected to be identical.
What does the Census say about the gender split for Michio?
In the 2020 Census sex table, Michio leans strongly male. 184 people counted with this name were male (98.9%), compared with 2 female bearers (1.1%). The Census view is a snapshot of people living with the name in 2020, while the SSA section above tracks births across time.
What does the Census say about the background of people named Michio?
In the 2020 Census race and Hispanic-origin table, the largest reported group for people named Michio is Asian/Pacific Islander at 74.3%. The next largest groups are Two or More Races (15.0%) and Black (3.7%). These figures describe the people who had the name in 2020, not any inherent property of the name itself. The percentages in the chart above come from self-reported race and Hispanic-origin responses in the 2020 Census.
Which group reports the name Michio most often in the Census?
Asian/Pacific Islander is the largest reported group for people named Michio in the 2020 Census, accounting for 74.3% (139 people in the published table).
Why can the Census sex total and race total differ slightly?
The Census Bureau published separate 2020 tables for sex and for race/Hispanic origin, and the released figures can differ slightly because of privacy protection in the public files. That is why this page treats the gender section and the race/origin section as two related snapshots instead of forcing them into one identical total.
Does every first name have Census demographic data?
No. The public Census first-name release only includes names that met the Bureau's publication rules, so many rarer names in the SSA files have no Census demographic snapshot. When that happens, the SSA trend, gender history, and state sections still appear, but the 2020 Census demographic sections are omitted.
What does the SSA popularity chart show?
The chart tracks births, not the number of people alive with the name today. Each point shows how many babies were given the name Michio in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Michio a male name?
Yes, 100.0% of people registered as Michio in the SSA data are male. You can see the full per-sex comparison in the gender distribution section above, which includes the latest year rank, birth count, and peak year for each sex.
Is Michio still being used today?
Yes. The SSA still recorded Michio in 2024, and the page above shows its latest-year rank where available. A name can be well past its peak and still remain in steady use, especially if it built up a large population over earlier decades.
Why can a name have a lot of living bearers even if it is not trendy now?
Because living-bearer counts and current baby-name popularity measure different things. A name like Michio can build up a very large population over many decades, even if fewer parents are choosing it now than they did at its peak.
Where does this data come from?
First-name figures come from the Social Security Administration's national baby name files, which cover every name on a birth certificate from 1880 to 2024. Living-bearer estimates layer in CDC actuarial life tables broken out by sex to account for mortality. The population baseline (342,754,338) is the Census Bureau's latest national estimate. You can read the full calculation on our methodology page.
How many people have the name Michio?
For a quick modern take, check how many people have the name Michio on our sister site HowManyOfMe.org.