As neighbors and partners in the North American Free Trade Agreement (NAFTA), the . and Mexico share a broad and expanding trade relationship. Since the implementation of NAFTA, trade between Mexico and the . has tripled. Up to 1 million Americans currently live in Mexico and more than 18,000 companies with . investment have operations in Mexico. In fact, the . accounts for 47 percent of all foreign investment in Mexico. With gross domestic product growth of 3 percent in 2007 and percent in 2008 (compared to percent in the . in 2007 and percent in 2008),.