Disability, Independence and Dependency Situations Survey 
Disabilities, Impairments and State of Health. National results: Absolute figures
Average number of disabilities originated per person for each group of impairment, by age and sex.
Units: number of disabilities per person

,Total,,,6 to 64 years old,,,6 to 44 years old,,,45 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,Both sexes,Males,Females,Both sexes,Males,Females,
Total,8.66,7.85,9.19,6.78,7.03,6.55,7.90,8.20,7.52,6.07,6.05,6.08,7.80,7.36,8.06,12.54,10.64,13.31,
Mental impairments,11.60,10.40,12.49,9.61,9.51,9.78,10.55,10.19,11.23,7.85,7.89,7.81,11.17,10.61,11.53,14.45,13.27,14.79,
Visual impairments,2.45,2.35,2.51,2.19,2.14,2.23,2.07,2.01,2.14,2.25,2.22,2.27,2.51,2.57,2.47,2.63,2.35,2.75,
Hearing impairments,1.61,1.61,1.61,1.69,1.72,1.65,1.90,1.92,1.88,1.59,1.63,1.56,1.52,1.50,1.54,1.64,1.62,1.65,
Language, speech and voice impairments,2.42,2.35,2.51,2.12,2.21,1.90,2.03,2.03,2.04,2.20,2.33,1.71,2.28,2.37,2.15,2.98,2.74,3.11,
Osteoarticular impairments,5.33,4.62,5.61,4.35,4.02,4.54,3.90,3.71,4.06,4.50,4.16,4.68,5.14,4.69,5.30,6.71,5.82,6.93,
Nervous system impairments,10.19,10.80,9.75,9.20,10.26,8.37,10.72,11.41,10.04,8.27,9.39,7.53,10.50,11.05,10.07,11.86,11.81,11.90,
Visceral impairments,3.66,3.94,3.46,3.49,3.82,3.19,3.70,4.41,2.94,3.44,3.65,3.25,3.63,3.80,3.51,3.84,4.36,3.60,
Other impairments,6.27,6.23,6.28,6.43,7.79,5.70,9.21,9.81,8.29,5.14,5.33,5.08,4.76,4.52,4.88,6.79,6.69,6.82,
No data recorded,0.04,0.03,0.05,0.01,0.02,0.01,0.01,0.01,0.00,0.03,0.03,0.03,0.10,0.08,0.11,0.64,0.51,0.73,
Notes:
1) A person may have several original impairments   
 2) The data corresponding to cells with fewer than 5 thousand persons  must be viewed with caution, because they may be affected by  large sampling errors.  
Source: National Statistics Institute