Disability, Independence and Dependency Situations Survey 
Relative figures
Percentage of persons with hearing impairments, who use sign language, by age and sex 
Unidades: 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,0,36,0,5,0,24,
80 years old and over,0,09,0,0,14,
Notas:
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. 
Fuente: National Statistics Institute