Disability, Independence and Dependency Situations Survey 
Relative figures
Percentage of persons with visual impairments, who use Braille, by age and sex 
Unidades: percentage

	Both sexes	Males	Females	
Total	1,16	1,56	0,92	
6 to 64 years old	2,64	3,18	2,14	
65 to 79 years old	0,95	0,9	0,98	
80 years old and over	0,03	0	0,05	
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