Libraries Statistics National results Libraries (administrative units) by type of library and average number of weekly hours open to the public. Units: number of libraries Total Libraries Up to 10 Over 10 and up to 20 Over 20 and up to 40 More than 40 Total 6,636 769 1,439 3,129 1,299 National 1 . . . 1 Autonomous communities central Libraries 7 . . 2 5 Public 4,035 440 1,153 1,724 718 For specific groups of users (non-specialised) 198 31 34 80 53 Libraries in higher education institutions 300 8 10 80 202 Specialised Libraries: Total 2,095 290 242 1,243 320 Specialised Libraries: In religious institutions 185 66 43 62 14 Specialised Libraries: In the administration 394 42 30 274 48 Specialised Libraries: In research centres 123 22 11 77 13 Specialised Libraries: In professional associations and colleges 267 38 34 157 38 Specialised Libraries: In commercial companies or firms 42 7 . 21 14 Specialised Libraries: In archives and museums 356 33 41 237 45 Specialised Libraries: In health centres 138 8 8 72 50 Specialised Libraries: Other specialised Libraries 590 74 75 343 98 Notes: .Data protected by statistical secrecy Source: National Statistics Institute