of Sonora,' Electoral Districts of the State of Sonora, the state electoral districts of Sonora, three correspond to the city. The municipality of Cajeme has its own federal electoral district, the VI Federal Electoral District of Sonora of the Chamber of Deputies of the Congress of the Union of Mexico. The main economic activities in the entity are maquiladora, agriculture, livestock, [aquaculture], and trade. However, the fertile lands of the municipality favour agriculture and the services derived from it, such as its suppliers and their transport. Real estate and construction development has also had a major boom in the city that, because of its relatively recent foundation, has been able to be planned with wide avenues and modern urban development compared to other Sonorense cities. According to the national census prepared by the INEGI, the economically active population (PEA) in 2010 corresponds to 54.1% of the inhabitants of the municipality of whom 95% have an occupation. Transportation The city is served by Ciudad Obregón International Airport. Education and health The following institutions of higher education are based in Ciudad Obregón: Instituto Tecnológico de Sonora (ITSON) – Campus Obregón and Campus Náinari Instituto Tecnológico Superior de Cajeme (ITESCA) Instituto Tecnológico y de Estudios Superiores de Monterrey (ITESM) – Campus Obregón Universidad La Salle – Campus Obregón Universidad TecMilenio – Campus Obregón Universidad Tecnológica del Sur de Sonora (UTS) Universidad del Valle de México Campus Ciudad Obregón (UVM) Universidad del Desarrollo Professional Ciudad Obregón (UNIDEP) Universidad Vizcaya de las Américas Instituto Tecnológico del Valle del Yaqui Universidad Durango Santander Universidad Interamericana de Desarrollo (UNID) Instituto de Capacitación para el trabajo Icatson-Cajeme According to the 2010 population and housing census of INEGI in Cajeme the literacy rate for people aged 15 to 24 years is 98.5% and that of people aged 25 and over is 96.1%. School attendance for people ages 3 to 5 is 44.4%; 6 to 11 years is 97%; 12 to 14 years is 95.1% and 15 to 24 years is 50.5%. Higher Education Institutions Ciudad Obregón has multiple institutions of higher education, and has the most important concentration of these in the south of Sonora. The most important institution is the Instituto Tecnológico de Sonora (ITSON) which has a tuition of approximately seventeen thousand students, twenty-three bachelor's degrees, and whose main campus is located in the city. Ciudad Obregón has the necessary elements to offer the population all academic