Survey on International Mobility of Students SAMPLING ERRORS Sampling errors relative to persons from 18 to 34 years old that have reached at least CNED 7 formation 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;1.87;6.50;1.79; 18 to 24 years old;3.27;11.40;3.41; 25 to 29 years old;3.04;8.94;3.44; 30 to 34 years old;2.87;10.70;3.19; Notes: 1) Mobility: Moving abroad for study or training 2) CNED 7: University degrees of more than 240 ECTS, 2nd cycle university graduate, master's degrees and specialities in Health Sciences by residence system, and similar Source: INE