Question: Many immigrants move to the united states each year. where do most immigrants come from today?
Disambiguated questions and answers: question: Many immigrants move to the united states each year. Which country do most immigrants come from in 2017?
Many immigrants move to the united states each year. Which country do most immigrants come from in 2016?
Many immigrants move to the united states each year. Which country do most immigrants come from in 2015?
answer: Mexico
Mexico
Mexico
Natural Questions answer: Mexico (from the Wikipedia article "Immigration to the United States")