Population and Housing Censuses National results Population in group establishments by type of group establishment, average age and average size Units: persons ,Population,Edad media,Average size of the group establishment, Total,444,101,69,44.8, Health institutions,14,915,65,110.1, Residences for elderly persons,270,286,84,61.7, Institutions for persons with disabilities or welfare institutions for children, young persons, etc.,36,906,45,32.0, Religious institutions,18,487,65,14.2, Military institutions,21,686,30,115.7, Prison institutions,64,109,37,579.8, Other types of group establishment,17,712,54,6.7, Notes: Source: National Statistics Institute