November 19: number of speakers per indigenous language group

Navajo 169,359 Navajo Nation
Ojibwe 90,000 United States
Blackfoot 34,394 Montana, and Alberta, Canada
Sioux 25,000 South Dakota
Oʼodham 23,313 Tohon O’odham Nation and Salt River Pima-Maricopa Indian Community
Western Apache 14,012 San Carlos Apache Nation and Fort Apache Indian Reservation
Keresan 13,073 New Mexico
Cherokee 12,320 Eastern Band of Cherokee Indians, N. Carolina and Cherokee Nation of Oklahoma
Choctaw 10,368 Choctaw Nation of Oklahoma
Zuni 9,620 New Mexico
Hopi 6,780 Arizona
Tewa 5,123 New Mexico
Muscogee 5,072 Creek Nation, Oklahoma
Crow 3,862 Montana
Mohawk 3,875 New York and Ontario and Quebec, Canada
Inupiat 3,000 Alaska and NWT, Canada
Shoshoni 2,512 United States
Fox (Mesquakie-Sauk-Kickapoo) 2,288 Sax and Fox Nation
Arapaho 1 087 United States
Comanche 963 United States
Maricopa/Piipaash 800 Salt River Pina-Maricopa Indian Community, Arizona
Yurok 414 California
Alutiiq/Sugpiaq 400 Alaska
Koyukon 300 Alaska
Mikasuki 290 Georgia and Florida
Quechan 290 Imperial County, California and Yuma County Arizona
Yavapai 245  Arizona
Mojave 200  Arizona
Haida 168 Alaska and Haida Nation, Canada
Deg Xinag 127 Alaska
Upper Tanana 100 Alaska
Ahtna 80 Alaska
Tsimshian 70 Alaska
Tanacross 65 Alaska
Cayuga 61 Cattaraugus Reservation, New York, and Six Nations of Grand River First Nation, Ontario, Canada
Denaʼina 50 Alaska
Upper Kuskokwim 40 Alaska
Tanana 30 Alaska
Hän 12 Alaska
Holikachuk 12 Alaska
Tuscarora 3 Tuscarora Reservation, New York and Six Nations of the Grand River First Nation, Ontario, Canada
Eyak 0 Alaska (Extinct, but retains recognition)

source: wikipedia

feature image: Colleen Fitzgerald, “7 things to know about native american languages,” Huff Post, 11.08.2014; updated 12.09.2017.