This document provides an overview of Walmart's operations in developing countries in Latin America. It discusses Walmart's entry and growth in Mexico, Brazil, Argentina, and Costa Rica. In Mexico, Walmart has over 2,300 stores and is the largest private employer. In Brazil it has over 500 stores and is the 3rd largest retailer. Argentina has been more challenging with 94 stores due to lack of partnerships and supplier backlash. Costa Rica has 205 stores since entering in 2003.