Survey on International Mobility of Students SAMPLING ERRORS Sampling errors relative to persons from 18 to 34 that have reached at least proffesional orientation level, intermediate level and higher level (or they are carrying out these studies) by age group and case of mobility Units: Coefficient of variation ;Total;Moved abroad;Did not move abroad; TOTAL;1.12;12.25;1.08; 18 to 24 years old;2.15;18.59;2.14; 25 to 29 years old;2.08;18.37;2.14; 30 to 34 years old;2.69;25.26;2.64; Notes: 1) Mobility: Moving abroad for study or training Source: INE