Survey on Adult Population Involvement in Learning Activities 
Survey on Adult Population Involvement in Learning Activities. Year 2011
Linguistic skills of persons aged 18 to 65 years old by number of languages they can use, sex and maximum educational level achieved
Units: percentage of persons

	None	One	Two	Three or more	
BOTH SEX	
    Total	47.24	34.78	13.45	4.54	
    Secondary education, first stage primary education and illiterate	67.52	25.64	5.33	1.51	
    Intermediate level studies	38.45	39.47	16.86	5.23	
    Higher and university studies	23.79	44.69	22.93	8.59	
MALE	
    Total	47.19	34.83	13.34	4.64	
    Secondary education, first stage primary education and illiterate	65.97	26.56	5.69	1.77	
    Intermediate level studies	37.88	39.94	16.57	5.61	
    Higher and university studies	23.45	44.35	23.51	8.69	
FEMALE	
    Total	47.29	34.71	13.56	4.44	
    Secondary education, first stage primary education and illiterate	69.25	24.60	4.92	1.22	
    Intermediate level studies	39.01	39.01	17.14	4.84	
    Higher and university studies	24.10	44.99	22.41	8.50	
Notes:
1) The category 'Intermediate level studies' includes: Secondary education, intermediate technical-vocational education and other.

 Mother tongues are excluded 
  
  
Data referring to 12 months before the date of the survey.

 The symbol '.' means that data is not available, since it may be affected by sampling errors.
Source: National Statistics Institute