<Tr> <Td> Navajo </Td> <Td> 4% </Td> </Tr> <P> According to the 2010 U.S. Census, 28.45% of the population aged 5 and older speak Spanish at home, while 3.50% speak Navajo . Speakers of New Mexican Spanish dialect are mainly descendants of Spanish colonists who arrived in New Mexico in the 16th, 17th, and 18th centuries . New Mexican Spanish is an archaic form of 17th century Castilian Spanish . </P> <P> The original state constitution of 1912 provided for a bilingual government with laws being published in both English and Spanish; this requirement was renewed twice, in 1931 and 1943 . Nonetheless, the constitution does not declare any language as "official ." While Spanish was permitted in the legislature until 1935, all state officials are required to have a good knowledge of English . Cobarrubias and Fishman therefore argue that New Mexico cannot be considered a bilingual state as not all laws are published in both languages . Others, such as Juan Perea, claim that the state was officially bilingual until 1953 . In either case, Hawaii is the only state that remains officially bilingual in the 21st century . </P> <P> With regard to the judiciary, witnesses have the right to testify in either of the two languages, and monolingual speakers of Spanish have the same right to be considered for jury - duty as do speakers of English . In public education, the state has the constitutional obligation to provide for bilingual education and Spanish - speaking instructors in school districts where the majority of students are hispanophone . </P>

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