Abstract
To determine the factors affecting international tourism demand in Mexico was used a log-log autoregressive model with qualitative independent variables and annual statistical information from 1980 to 2009. The results show that the Mexico tourism responds inelastically to changes in the cost of living in the country (-0.0277) and that have a direct relationship with the behavior of economic activity in the United States and Canada (0.78%) and, also with respect to relationship regarding the effect of promotion take place tourists visited Mexico in the previous period (0.24%).