Nikolai has been given to about 11,027 people in the United States since 1880. It was most common in 2016, which makes it a current name.
Nikolai ranks 605th among American boys in 2025, with 469 born that year. Its best year was 2016, when 639 babies were given the name, ranking 480th. The typical living American called Nikolai is about 10 years old today. It is relatively most common in New Mexico, where it accounts for 0.07% of births.
Source: US Social Security Administration, national and state name files, 2025 release, and the Office for National Statistics for England and Wales. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.