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