There are an estimated 47 people named Kazuo alive worldwide today. That ranks Kazuo at #29335 globally, with the highest concentrations in United States.
In the United States, Kazuo is held by approximately 47 people, ranking #29335 among first names. That works out to roughly 0 per 100,000 Americans (or 1 in 7,061,702 U.S. residents).
Historically Kazuo is used overwhelmingly as a male name (100.0% male).
Kazuo appears in birth records going back to 1880. Use the chart below to see how its popularity has changed across decades, and the surname section to find common pairings.