Disability, Independence and Dependency Situations Survey Health. Relative figures Percentage of persons with disabilities, according to whether or not they have a Disability Certificate, 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; Has a Disability Certificate;29.39;43.80;21.59;85.92;87.99;82.54;28.72;34.38;24.14;13.02;16.31;12.00; They do not have a Disability Certificate;70.61;56.20;78.41;14.08;12.01;17.46;71.28;65.62;75.86;86.98;83.69;88.00; 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