Disability, Independence and Dependency Situations Survey Employment and Education Percentage of persons with disabilities, according to level of studies completed, by age and sex. Unidades: 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;100;100;100;100;100;100;100;100;100;100;100; Not applicable, under 10 years old;0,01;0,01;0,01;0,07;0,04;0,12;0;0;0;0;0;0; Cannot read or write;21,68;25,2;19,8;47,7;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;26,4;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;14,3;15,1;24,01;24,61;23,52;26,12;27,59;25,67; Secondary education, 1st stage;3,04;3,99;2,54;4,36;5,6;2,36;3,09;3,63;2,65;2,64;3,01;2,53; Upper-secondary education;3,06;4,1;2,51;4,4;5,49;2,65;4,08;4,38;3,83;2,3;2,84;2,14; Intermediate professional training or the equivalent;1,27;1,41;1,2;1,38;1,4;1,35;1,34;1,88;0,9;1,22;1,09;1,26; Advanced professional training or the equivalent;0,54;0,78;0,41;0,81;0,77;0,87;0,6;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;2,4;1,37;2,54;1,02; Notas: 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. Fuente: National Statistics Institute