If you live in the USA what language do you think it is most important to speak after English?

Do you consider the percentages of people who speak various languages in the world or would you say Spanish because Mexico is our neighbors? Chinese, Mandarin 13.69%, Hindi 2.82%, English 4.84%, Spanish 5.05%, Bengali 2.68%, Portuguese 2.77%, Russian 2.27%, Japanese 1.99%, German, Standard 1.49%, Chinese, Wu 1.21% (2004)