Record share of Americans say illegal immigration is the top problem facing the U.S.

A record share of Americans see illegal immigration as a “critical threat to the vital interests of the United States,” and the issue ranks as the No. 1 most important problem facing the country, according to a new poll published Tuesday by Gallup.Fifty-five percent of Americans now say that large numbers of immigrants entering the United States illegally present an acute threat to the country’s interests, up from a previous high of 50% set in 2004. Americans also now rank immi