The most common surnames in the world are, in order, Lee (or Li), Zhang, Wang, Chang, Nguyen, Garcia, Gonzalez, Hernandez, Smith, Smirnov, and Müller.
list of most common surnames in the world
in order, Lee (or Li), Zhang, Wang, Chang, Nguyen, Garcia, Gonzalez, Hernandez, Smith, Smirnov, and Müller