What is the most common last name in each country?

The most common last name in each country varies by culture and history, with some global patterns. In United States, most common last name is Smith, held by over 2.5 million people, English origin meaning blacksmith, followed by Johnson and Williams. In United Kingdom, most common last name is also Smith, with Jones most common in Wales. In Canada, most common last name is Smith, followed by Brown and Tremblay in Quebec. In Australia, Smith is most common. In Mexico, most common last name is Hernandez, followed by Garcia and Martinez, all Spanish origin. In Spain, most common last name is Garcia. In France, most common last name is Martin. In Germany, most common last name is Müller meaning miller, followed by Schmidt. In Italy, most common last name is Rossi meaning red. In China, most common last name is Wang, followed by Li and Zhang, with Wang held by over 100 million people. In India, most common last name is Patel, Devi, and Singh, depending on region, Patel most common in Gujarat. In Japan, most common last name is Sato, followed by Suzuki and Takahashi. In Brazil, most common last name is Silva, Portuguese origin. In Russia, most common last name is Ivanov. In South Africa, most common last name is Dlamini among Black South Africans and Smith among Whites. So Smith dominates English-speaking countries, while Wang, Garcia, Rossi dominate elsewhere.