Disability, Independence and Dependency Situations Survey 
Employment and Education. Relative figures
Percentage of persons with disabilities, according to level of studies completed, by age and sex.
Units: percentage

;Total;;;6 to 64 years old;;;65 to 79 years old;;;80 years old and over;;;
;Both sexes;Males;Females;Both sexes;Males;Females;Both sexes;Males;Females;Both sexes;Males;Females;
Total;100.00;100.00;100.00;100.00;100.00;100.00;100.00;100.00;100.00;100.00;100.00;100.00;
Not applicable, under 10 years old;0.01;0.01;0.01;0.07;0.04;0.12;0.00;0.00;0.00;0.00;0.00;0.00;
Cannot read or write;21.68;25.20;19.80;47.70;46.13;50.24;20.14;19.43;20.72;14.68;13.15;15.15;
Incomplete primary education;45.26;39.94;48.09;25.53;24.99;26.40;44.58;43.64;45.35;51.23;48.85;51.95;
Primary education or the equivalent;23.63;22.61;24.18;14.61;14.30;15.10;24.01;24.61;23.52;26.12;27.59;25.67;
Secondary education, 1st stage;3.04;3.99;2.54;4.36;5.60;2.36;3.09;3.63;2.65;2.64;3.01;2.53;
Upper-secondary education;3.06;4.10;2.51;4.40;5.49;2.65;4.08;4.38;3.83;2.30;2.84;2.14;
Intermediate professional training or the equivalent;1.27;1.41;1.20;1.38;1.40;1.35;1.34;1.88;0.90;1.22;1.09;1.26;
Advanced professional training or the equivalent;0.54;0.78;0.41;0.81;0.77;0.87;0.60;0.54;0.64;0.43;0.94;0.28;
University studies or the equivalent;1.51;1.96;1.27;1.14;1.27;0.92;2.16;1.88;2.40;1.37;2.54;1.02;
Notes:
1) The data corresponding to cells with fewer than one thousand persons must  be taken with caution because it may be affected by a high incidence of  sampling errors.  
Source: National Statistics Institute