OECD stock and flow data

Data in OECD database collected as part of the Continuous Reporting System on Migration (SOPEMI) – these data have not been harmonised internationally
Data on international migration flows for the UK delivered to SOPEMI are derived from the Labour Force Survey
A sample of only around 300,000 people annually

Data in OECD database collected as part of the Continuous Reporting System on Migration (SOPEMI) – these data have not been harmonised internationally