The Trump administration wants to limit the number of eligible professions and decrease the number of visa renewals granted to Canadians and Mexicans as part of ongoing NAFTA negotiations among the three countries, McClatchy reported. Approved occupations for the TN visa include accountants, hotel managers, land surveyors, nutritionists, engineers and computer systems analysts. The number of TN visa workers in the US has grown in recent years as the program has become more attractive. In 2008, the length of stay was increased from one year to three, making it an appealing alternative to other high-skilled visas.