On January 1, 1994 the North American Free Trade Agreement between the United States, Canada, and Mexico entered into force. NAFTA was made to remove tariff barriers between the United States, Mexico, and Canada. Today the NAFTA region holds 444.1 million people. Out of every region in NAFTA Canada holds 33.3 million, United States have 304.1 million, and Mexico has 106.7 million. The main languages spoken are English, Spanish, and French.