About two-thirds of all U.S. Hispanics ages five and older either speak only English at home or speak English very well. This compares with 91% of the total U.S. population who are English proficient.

According to tabulations of the Census Bureau’s 2010 American Community Survey (ACS) by the Pew Hispanic Center, the Hispanic origin groups with the highest rates of English proficiency are Puerto Ricans (82%), Mexicans (64%), Colombians (59%) and Peruvians (59%).

Guatemalans (41%), Hondurans (42%) and Salvadorans (46%) have the lowest rates of English proficiency and are the only ones among the 10 largest Hispanic origin groups in which less than half of the population ages five and older is proficient in English. Read More

Russell Heimlich  is a former web developer at Pew Research Center.