But those sources all say corruption leads to poverty and every sources says poverty is the leading cause of illegal immigration from Mexico This is an article in a global encyclopedia that is dealing with a national problem would it not make sense to have some facts that apply to the national level I don t understand how the statement of a fact the estimate that 56 of illegal immigrant come from Mexico could lead anyone to believe that all any more than 56 illegal immigrants come from Mexico If you want to create and article on illegal immigration to the United States from Mexico that s awesome in the mean time the facts pertaining to it still belong in this article