Walmart is a multinational retail corporation. It operates as the largest company in the world by revenue. Walmart was founded by Sam Walton in 1962 and has grown into a global enterprise with over 10,500 stores and clubs in 27 countries. The company's mission is to save people money so they can live better. Walmart offers a wide range of merchandise at affordable prices, including electronics, clothing, home goods, and groceries. Customers can shop at Walmart's physical locations or online through its website. The company's popularity is a testament to its ability to provide value and convenience to its vast customer base.