<Li> Navajo--0.16 million </Li> <P> While modern estimates indicate that American Sign Language was signed by as many as 500,000 Americans, as of 1972--the last official survey, closer estimates range around 100,000 as of 2011 . (Although various cultural factors, such as passage of the Americans with Disabilities Act, have resulted in far greater educational opportunities for deaf children, which could double or triple the number of current ASL users .) </P> <P> There is no official language at the U.S. federal level . However, 32 states of the United States, in some cases as part of what has been called the English - only movement, have adopted legislation granting official status to English . Out of 50 states, 30 have established English as the only official language, while Hawaii recognizes both English and Hawaiian as official, and Alaska has made some 20 native languages official, along with English . </P> <P> Moreover, English is one of the official languages in all of the U.S. territories . In Puerto Rico both English and Spanish are official, although Spanish has been declared the principal official language . The school system and the government operate almost entirely in Spanish . Guam recognizes English and Chamorro . In the U.S. Virgin Islands, English is the only official language . In American Samoa, both English and Samoan are officially recognized . In the Northern Mariana Islands, English, Chamorro, and Carolinian are official . The state of Alaska provides voting information in Iñupiaq, Central Yup'ik, Gwich'in, Siberian Yupik, Koyukon, and Tagalog, as well as English . </P>

How did english become the official language of the united states
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