Disability, Independence and Dependency Situations Survey Health. Relative figures Percentage of persons with a Disability Certificate, according to the number of disabilities they have, 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 They have no disability 1.62 2.11 1.08 1.56 2.09 0.62 1.00 1.07 0.91 2.25 3.67 1.63 A single disability 1.16 1.26 1.04 1.44 1.21 1.85 1.39 1.85 0.85 0.43 0.61 0.35 Two disabilities 1.86 2.48 1.17 2.26 2.66 1.56 1.56 1.94 1.11 1.32 2.49 0.81 3 to 10 disabilities 18.45 21.14 15.47 20.40 20.80 19.70 21.60 23.00 19.98 12.22 19.94 8.89 11 or more disabilities 76.91 73.01 81.24 74.34 73.25 76.28 74.46 72.12 77.15 83.79 73.29 88.32 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