There are an estimated 332 people named Sergei alive worldwide today. That ranks Sergei at #20661 globally, with the highest concentrations in United States.
In the United States, Sergei is held by approximately 332 people, ranking #20661 among first names. That works out to roughly 0 per 100,000 Americans (or 1 in 999,699 U.S. residents).
Historically Sergei is used overwhelmingly as a male name (100.0% male).
Sergei 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.