Answer:
In 2018, most immigrants lived in just 20 major metropolitan areas, with the largest populations in the New York, Los Angeles and Miami metro areas. These top 20 metro areas were home to 28.7 million immigrants, or 64% of the nation's total foreign-born population. According to the United Nations, in 2019, the United States, Germany, and Saudi Arabia had the largest number of immigrants of any country, while Tuvalu, Saint Helena, and Tokelau had the lowest.
