Survey on Adult Population Involvement in Learning Activities Survey on Adult Population Involvement in Learning Activities. Year 2011 Languages that persons aged 18 to 65 years old can use by sex and maximum educational level achieved Units: percentage of persons Spanish Catalan Euskera Valencian Galician English French German Italian Portuguese Russian Other BOTH SEX Total 14.05 6.09 1.71 1.65 0.84 35.48 14.05 2.66 2.57 1.15 0.52 19.23 Secondary education, first stage primary education and illiterate 19.45 8.42 0.88 1.92 0.60 19.34 8.88 2.04 1.77 1.32 . 35.25 Mid-level studies 15.35 5.77 1.50 1.51 0.96 36.03 14.44 2.41 2.38 0.91 0.89 17.86 Higher and university studies 9.20 4.67 2.45 1.57 0.92 46.61 17.45 3.29 3.30 1.20 0.51 8.83 MALE Total 14.71 6.01 1.70 1.62 0.91 36.11 13.52 2.59 2.70 1.36 0.47 18.29 Secondary education, first stage primary education and illiterate 18.16 8.32 0.88 1.93 . 21.52 8.97 2.29 1.99 1.76 . 33.45 Mid-level studies 17.76 5.36 1.64 1.55 . 37.08 13.19 2.61 2.47 0.83 . 15.53 Higher and university studies 9.43 4.62 2.42 1.43 1.02 47.41 17.54 2.83 3.49 1.46 . 7.93 FEMALE Total 13.39 6.17 1.71 1.68 0.78 34.85 14.57 2.73 2.44 0.93 0.56 20.18 Secondary education, first stage primary education and illiterate 20.99 8.55 0.88 1.91 . 16.73 8.78 1.76 1.51 . . 37.39 Mid-level studies 13.00 6.17 1.37 1.46 . 35.00 15.65 2.22 2.29 0.99 . 20.12 Higher and university studies 9.00 4.71 2.48 1.69 0.83 45.91 17.36 3.69 3.13 0.97 . 9.62 Notes: .Data protected by statistical secrecy 1) The category 'Intermediate level studies' includes: Secondary education, intermediate technical-vocational education and other. Up to 7 languages per person can be included, apart from mother tongues The table shows the languages that appear most frequently. 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