Disability, Independence and Dependency Situations Survey 
Disabilities, Impairments and State of Health. National results: Relative figures
Percentage of persons with hearing impairments, who use sign language, by age and sex
Units: percentage

,Both sexes,Males,Females,
Total,1.25,1.53,1.04,
6 to 64 years old,3.83,3.83,3.83,
65 to 79 years old,0.36,0.50,0.24,
80 years old and over,0.09,0.00,0.14,
Notes:
1) The data corresponding to cells with fewer than 5 thousand persons must  be viewed with caution, because it may be affected by  large sampling errors. 
Source: National Statistics Institute