The North American Free Trade Agreement or NAFTA (pronounced /næf.tʌ/, naf-tu) (Spanish: Tratado de Libre Comercio de América del Norte [TLCAN], French: Accord de libre-échange nord-américain [ALENA]) is an agreement signed by the governments of the United States, Canada, and Mexico creating a trilateral trade bloc in North America. The agreement came into force on January 1, 1994. It superseded the Canada-United States Free Trade Agreement between the U.S. and Canada.
In terms of combined purchasing power parity GDP of its members, as of 2007[update] the trade block is the largest in the world and second largest by nominal GDP comparison.
The North American Free Trade Agreement (NAFTA) has two supplements, the North American Agreement on Environmental Cooperation (NAAEC) and the North American Agreement on Labor Cooperation (NAALC).