Survey on Adult Population Involvement in Learning Activities Formal and informal education. Percentage values Participation in formal education activities by type of attendance (classroom or distance-learning), by sex and highest level of studies completed. Units: percentages Total Activity carried out off site Activity carried out on site BOTH SEXES Total 100.00 21.46 78.54 First stage secondary education and lower 100.00 15.40 84.60 Intermediate-level studies 100.00 17.50 82.50 Tertiary level and university studies 100.00 24.31 75.69 MALES Total 100.00 24.27 75.73 First stage secondary education and lower 100.00 . 81.83 Intermediate-level studies 100.00 17.80 82.20 Tertiary level and university studies 100.00 28.05 71.95 FEMALES Total 100.00 19.12 80.88 First stage secondary education and lower 100.00 . 86.78 Intermediate-level studies 100.00 17.23 82.77 Tertiary level and university studies 100.00 21.22 78.78 Notes: .Data protected by statistical secrecy 1) The Intermediate-level studies category is comprised of: Post-Secondary Education, intermediate-level technical-professional education. 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