Walmart is an American multinational retail corporation that operates a chain of hypermarkets, discount department stores, and grocery stores. It is the world's largest company by revenue and one of the largest private employers in the world. Founded in 1962 by Sam Walton, Walmart has grown to become one of the most recognizable brands in the world. It has over 11,000 stores in 27 countries and employs more than 2.2 million people worldwide. Walmart strives to provide customers with quality products at affordable prices while offering excellent customer service.