These are lists of countries by foreign-born population (immigrants) and lists of countries by number native-born persons living in a foreign country (emigrants). 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. In terms of percentage of population, the Vatican City, the United Arab Emirates, and Qatar had the highest, while Cuba, Madagascar, and China had the lowest.