Survey on Equipment and Use of Information and Communication Technologies in Households 
National Results. Use of ICT products by persons 
Persons by socio-economic characteristics and holding of electronic ID Card, other electronic signature certificates and electronic ID Card reader
Units: Number of persons (aged 16 to 74 years) and horizontal percentages

;Total persons;Holding of electronic ID Card;Holding of other electronic signature certificates;Holding of electronic ID Card reader;
Total Persons;34,913,269;18.0;7.0;1.9;
Studies completed: Illiterate;657,208;8.6;0.4;0.0;
Studies completed: Primary Education;8,615,473;13.8;0.8;0.5;
Studies completed: First stage Secondary Education;8,106,809;17.2;4.0;1.2;
Studies completed: Second stage Secondary Education;7,566,433;18.9;7.4;2.4;
Studies completed: Advanced Vocational Education;3,283,737;20.7;10.2;2.5;
Studies completed: Higher Education;6,662,404;22.8;17.4;4.0;
Studies completed: Other;21,205;2.7;0.0;0.0;
Employment situation: Employed and economically active;18,915,961;18.9;10.0;2.5;
Employment situation: Unemployed and economically active;4,197,232;14.9;5.0;1.8;
Employment situation: Inactive population: Students;2,530,136;25.7;5.9;2.5;
Employment situation: Inactive population: Household chores;3,979,225;13.3;1.5;0.3;
Employment situation: Inactive population: Pensioners;4,333,302;17.1;1.9;0.7;
Employment situation: Other employment situation;957,413;15.6;7.5;1.9;
Professional status (in main job): Worker employed by others;15,390,182;19.0;9.6;2.3;
Professional status (in main job): Self-employed or freelance workers;3,525,779;18.5;11.3;3.2;
Main occupation: Manual;7,432,051;15.0;4.0;1.3;
Main occupation: Non-manual;11,483,910;21.5;13.8;3.2;
Main occupation: ICT workers;769,203;23.0;28.6;7.7;
Main occupation: Other workers;18,146,758;18.8;9.2;2.2;
Net household monthly income: Less than 1,100 Euros;7,181,726;12.4;2.4;0.7;
Net household monthly income: 1,100 to 1,800 euros;9,239,363;16.8;4.8;1.3;
Net household monthly income: 1,800 to 2,700 euros;5,872,217;20.9;10.2;2.5;
Net household monthly income: More than 2,700 Euros;4,598,423;24.2;16.8;4.6;
Net household monthly income: DK/NA;8,021,541;18.6;5.7;1.7;
Notes:
1) Employment situation: the figures corresponding to this variables have  been obtained through the self-classification of the respondent  
   
Source: National Statistics Institute