Libraries Statistics National results Number of persons working for Libraries by type of library and type of personnel. Units: number of persons ;Personnel included on the staff: Total;Personnel included on the staff: Professional librarians;Personnel included on the staff: Library assistants;Personnel included on the staff: Specialised personnel;Personnel included on the staff: Other personnel;Personnel not included on the staff: Total;Personnel not included on the staff: Interns;Personnel not included on the staff: Volunteers; Total;24,941;7,460;10,548;1,820;5,113;3,515;1,547;1,968; National;419;171;141;82;25;79;59;20; Autonomous communities central Libraries;391;160;72;63;96;21;21;0; Public;13,385;3,100;6,603;712;2,970;1,668;454;1,214; For specific groups of users (non-specialised);380;25;137;24;194;245;16;229; Libraries in higher education institutions;5,891;2,528;2,793;229;341;752;726;26; Specialised Libraries: Total;4,475;1,476;802;710;1,487;750;271;479; Specialised Libraries: In religious institutions;267;119;57;26;65;149;11;138; Specialised Libraries: In the administration;1,026;352;204;170;300;93;58;35; Specialised Libraries: In research centres;362;159;126;19;58;44;30;14; Specialised Libraries: In professional associations and colleges;357;81;40;37;199;87;24;63; Specialised Libraries: In commercial companies or firms;117;68;16;22;11;6;4;2; Specialised Libraries: In archives and museums;691;210;130;105;246;110;48;62; Specialised Libraries: In health centres;257;91;67;27;72;21;2;19; Specialised Libraries: Other specialised Libraries;1,398;396;162;304;536;240;94;146; Notes: Source: National Statistics Institute