Input (grade 6): By 1978, 5.3 million Italians had immigrated to the United States; two million arrived between 1900 and 1914.
Output (grade 5): The largest group of Italians moved to the United States in the early 1900s; two million moved between 1900 to 1914. In 2000 the government counted 15.6 million Italian Americans in the United States.