(S (S (BASENP (DT The) (NN study)) (VP (VBD revealed) (SBAR (IN that) (S (PP (IN by) (BASENP (NN 2050))) (COMMA ,) (S (S (NP (BASENP (NN one)) (PP (IN in) (BASENP (NN five) (NNPS Americans)))) (VP (MD will) (VP (VB be) (ADJP (JJ foreign-born))))) (CONJP (COMMA ,) (CC and)) (S (BASENP (DT the) (JJ overall) (NNP U.S.) (NN population)) (VP (MD will) (VP (VB double) (PP (TO to) (BASENP (NN 438) (NN million))))))))))) (PERIOD .))