How Many People Are Named Michiko?
An estimated 468 people in the United States have the first name Michiko. It is almost exclusively a female name. The average bearer is 44 years old, and Michiko peaked in popularity in 1924 with 38 births that year.
Below you will find a full statistical profile of Michiko 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 Michiko paired with any surname.
Estimated Living Americans
468
About 1 in 732,381 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
44
years old
Peak Year
1924
38 births
Total Registered
1,002
since 1880
Gender Distribution for Michiko
Michiko is almost exclusively a female name. Out of 1,002 total births registered, 100.0% were female.
Michiko as a female name
Ranked #14,639 in 2024
6 female births in 2024
Peak: 1924 (38 births)
Michiko: Popularity Over Time
SSA records for Michiko span from the 1910s to the 2020s, covering 12 decades of naming data. The most popular decade for this name was the 1920s, when 297 babies were registered. Michiko has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Michiko by Decade
How has Michiko 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.
Michiko by State
Birth registrations for Michiko span all 3 states and territories in the SSA database. The highest counts are in California, Hawaii, Washington. The lowest are in Washington, Hawaii, California. On average, about 149 Michikos were registered per state.
Michiko + Last Name Combinations
How many people share a full name with Michiko as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Michiko
Other first names starting with M with a similar number of bearers.
Michiko: Questions and Answers
How many people in the U.S. are named Michiko?
We estimate approximately 468 people named Michiko 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 732,381 Americans share this first name.
Is Michiko a common name?
Michiko is classified as "Very Rare" and is more popular than 83.9% of all first names in the SSA database. A total of 1,002 births have been registered with this name since 1880.
When was Michiko most popular?
Michiko reached peak popularity in 1924, when 38 babies were given this name. The average age of a living person named Michiko is approximately 44 years old, reflecting when the name was most commonly given.
Is Michiko a female name?
Michiko is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Michiko Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Michiko Smith, Michiko Johnson, Michiko 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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