It was a deal that created the largest free trade region in the world, but 20 years on there is still debate over the benefits of the North America Free Trade Agreement (NAFTA).

It is an issue that will be discussed at a conference in the Mexican city of Toluca on Wednesday.

Al Jazeera's Adam Raney reports from Mexico City, taking a look at whether NAFTA has helped improve the lives of Mexicans.

Source: Al Jazeera