Survey on Adult Population Involvement in Learning Activities Formal and informal education. Absolute values Number of formal education activities, by educational level reached upon completion of the activity, sex and age. Units: activities Total First stage secondary education, primary education Intermediate-level studies Tertiary level and university studies No data recorded BOTH SEXES Total [25, 74] 1,756,003 459,078 164,873 1,113,649 . Subtotal [25, 64] 1,729,091 436,423 162,564 1,111,700 . 25 to 44 years of age 1,401,184 310,878 130,457 943,207 . 45 to 64 years of age 327,908 125,545 32,107 168,493 . 65 to 74 years of age 26,912 . . . . MALES Total [25, 74] 797,109 146,033 87,926 554,088 . Subtotal [25, 64] 793,953 144,455 86,348 554,088 . 25 to 44 years of age 665,900 114,205 70,791 473,177 . 45 to 64 years of age 128,053 30,250 . 80,911 . 65 to 74 years of age . . . . . FEMALES Total [25, 74] 958,894 313,044 76,947 559,561 . Subtotal [25, 64] 935,138 291,968 76,216 557,612 . 25 to 44 years of age 735,283 196,673 59,666 470,030 . 45 to 64 years of age 199,855 95,295 . 87,582 . 65 to 74 years of age . . . . . 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