In the 19th and 20th centuries, millions of emigrants from Europe (mainly Germany, Italy, Poland, and Spain), Japan, and other areas joined the population.
Pada abad ke - 19 dan ke - 20, jutaan orang mulai berdatangan dari Eropa (terutama Italia, Jerman, Polandia, dan Spanyol), Jepang, serta berbagai negeri lain.