In 2010, the southern regions, which are typically the most rural regions, show higher rates of population over 15 that have not completed secondary education than northern regions. Over 30% of the population over 15 had not completed primary education in Guerrero, Chiapas, and Oaxaca, which is well above the share of nearly 10% found in Nuevo Leon and Distrito Federal (Table 1.2). The index of marginalisation, used by the Mexican Government as a summary measure of the degree of social and economic deprivation and lack of access to services, is very high in the regions of Guerrero, Chiapas and Oaxaca (Table 1.2).