* No official census: The US Census Bureau doesn't track language spoken as a primary language. It does track language spoken at home, but this can be misleading as many people may speak both English and Spanish at home.
* Constantly changing: The number of Spanish-speaking people in the US is constantly changing due to immigration, birth rates, and language acquisition.
However, we can provide some estimates:
* The Pew Research Center estimated in 2017 that about 41 million people in the US spoke Spanish at home.
* Other studies suggest the number could be even higher, reaching 50 million or more.
Important to note:
* These figures only include people who speak Spanish at home. It doesn't capture everyone who understands or speaks Spanish, even occasionally.
* The number of Spanish speakers is growing due to continued immigration and the increasing number of US-born individuals who speak Spanish.
It's important to consider these limitations when looking at statistics on Spanish speakers in the US.