Spanish is the official or national language in Spain, Equatorial Guinea, and 19 countries in the Americas. Speakers in the Western Hemisphere total some 418 million. In the European Union, Spanish is the mother tongue of 8% of the population, with an additional 7% speaking it as a second language. Spanish is the most popular second language learned in the United States. In 2011 it was estimated by the American Community Survey that of the 55 million Hispanic United States residents who are five years of age and over, 38 million speak Spanish at home.