Chinese multimillionaires benefited most from the EB-5 Immigrant Investor Program in the U.S. By this definition there are approximately 584,000 US$ multimillionaires worldwide in 2017. While most of the citizens there are native Panamanians, some are multimillionaires with summer homes. Rocco, as the owner, and Mullen, as a principal investor, became instant multimillionaires. Two Chinese miners made so much that they returned to their country as multimillionaires. All of the Vanderbilt multimillionaires descend through the oldest son Billy and his wife.