NAFTA In January 1994 the United States, Mexico and Canada entered into the North American Free Trade Agreement (NAFTA) and created the largest free trade sector and the richest market in the world. Over 410 million consumers are able to take advantage of the benefits of this treaty. In 1995 Chile was added to the treaty and will become a full-fledged member early in the next century. The North American Free Trade Agreement is unique because the treaty not only created the largest free trade zone in the world but also outlined economic policies, which set the standard for many other treaties and addressed other issues such as environment