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