Introduction: Developments from 1991 interaction data

• Coverage of whole UK (for most ODS)

• 100% data for all ODS including SWS

• Data on journey to place of study in Scotland (STS)

• Migration to, at and from university

• Richer data: more tables and detail within tables

• Additional sets of tables at Output Area level

• Imputation of missing data on workplace and migrants’ origins (if not stated and not ‘no usual address 1 yr ago’

• New concept of Moving Groups in SMS

• Different approach to disclosure control