Ethnic groups: European 97%, mostly of Spanish and Italian descent; Mestizo, Amerindian or other nonwhite groups 3%. Religions: Roman Catholic 92%, Protestant 2%, Jewish 2%, other 4%.

The Han Chinese are by far the largest ethnic group in China, comprising an estimated 92% of China's population. In fact, the Han Chinese are the largest ethnic group in the entire world, not just China, with 19% of the world's population identifying as Han.

During the third period, after a pause due to World War I, immigration to Argentina resumed and Germans came in their largest numbers. This can be attributed to increased immigration restrictions in the United States and Brazil as well as the deteriorating conditions in post-World War I Europe.

Argentina is a predominantly European descent country, and prides itself on its Spanish and Italian roots. Unlike many other Latin American countries, 97% of Argentina's population is White. Amerindians make up 2.4% of the population and only .