Native North American Languages Spoken at Home in the United States and Puerto Rico: 2006–201

"This report presents data on the frequency and percentage of the U.S. population aged 5 and over who spoke a Native North American language at home. The data are based on 5-year estimates from the 2006–2010 American Community Survey (ACS) and the 2006–2010 Puerto Rico Community Survey. For the first time ever, this aggregation of ACS data over a 5-year period allows us to study small segments of the population, such as speakers of Native North American languages.."