Hopi is a Uto-Aztecan language

Uto-Aztecan languages

Uto-Aztecan or Uto-Aztekan is a Native American language family consisting of over 30 languages. Uto-Aztecan languages are found from the Great Basin of the Western United States , through western, central and southern Mexico Uto-Aztecan or Uto-Aztekan is a Native American language family...

 spoken by the Hopi

Hopi

The Hopi are a federally recognized tribe of indigenous Native American people, who primarily live on the Hopi Reservation in northeastern Arizona. The Hopi area according to the 2000 census has a population of 6,946 people. Their Hopi language is one of the 30 of the Uto-Aztecan language...

 people (a Pueblo group) of northeastern Arizona

Arizona

Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...

, USA, although today some Hopi are monolingual English

English language

English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...

 speakers.

The use of the language has gradually declined over the course of the 20th century. In 1990, it was estimated that more than 5,000 people could speak Hopi as a native language (approximately 75% of the population); at least 40 of them were monolingual in Hopi.

The Hopi people are teaching the children the language to be passed on for future generations.
Many Hopi children are being raised in the language.