Premise: Serbian Americans (Serbian: Амерички Срби/Američki Srbi ) are United States citizens of Serb ethnic ancestry. As of 2012, there are 199,080 American citizens of "Serbian ancestry" who identify as having Serb ancestry. However, the number may be higher, as some 328,547 people who identify as Yugoslavs living in the United States, and many Yugoslav immigrants were of Serb ethnicity.
Hypothesis: Yugoslav immigrants were not of Serb ancestry.