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