Survey on Adult Population Involvement in Learning Activities 
Linguistic and information technology knowledge. Percentage values
Linguistic knowledge of persons, by the number of languages they are able to use, sex and highest level of studies completed.
Units: percentages

	Total	None	One	Two	Three or more	
BOTH SEXES	
    Total	100.00	49.81	33.58	12.56	4.05	
    First stage secondary education and lower	100.00	70.30	23.19	5.14	1.36	
    Intermediate-level studies	100.00	35.39	43.28	16.27	5.06	
    Tertiary level and university studies	100.00	19.02	47.43	24.82	8.73	
MALES	
    Total	100.00	48.77	33.91	12.63	4.69	
    First stage secondary education and lower	100.00	68.21	23.90	5.98	1.91	
    Intermediate-level studies	100.00	35.58	42.84	16.39	5.19	
    Tertiary level and university studies	100.00	19.82	47.15	23.12	9.91	
FEMALES	
    Total	100.00	50.84	33.26	12.49	3.41	
    First stage secondary education and lower	100.00	72.34	22.51	4.32	0.83	
    Intermediate-level studies	100.00	35.18	43.75	16.15	4.92	
    Tertiary level and university studies	100.00	18.24	47.70	26.48	7.58	
Notes:
1) The Intermediate-level studies category is comprised of: post-secondary education and intermediate-level technical-professional education.
 Mother tongues are excluded 
  
  
Data referring to the 12 months prior to the date of the survey.

 The symbol '.' shall be deemed as data which cannot be provided since it may be affected by sampling errors.
Source: National Statistics Institute