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Last name Sadao (Sadao , サダオ , Садао ) , worldwide, is quite a common cognomen. The surname Sadao is habitual in Japan, where it is quite a rare surname, Philippines, where it is a rare surname, and Thailand. Measured by absolute frequency, it is the most numerous in Japan, Philippines, and China. Very seldom, Sadao is the forename as well as the last name.
VARIANT | COUNTRY |
---|---|
Sadao | Thailand, China, Brazil, Philippines, Japan |
サダオ | Japan |
Садао | Russia |