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K ey problems in the evidence base in Britain's migration debate

K ey problems in the evidence base in Britain's migration debate. The Migration Observatory at the University of Oxford COMPAS Breakfast Briefing 13 May 2011. #1: Emigration Sample survey is only source. #2: Immigration Discrepancies across sources.

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K ey problems in the evidence base in Britain's migration debate

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  1. Key problems in the evidence base in Britain's migration debate The Migration Observatory at the University of Oxford COMPAS Breakfast Briefing 13 May 2011

  2. #1: EmigrationSample survey is only source

  3. #2: ImmigrationDiscrepancies across sources

  4. #3: Net MigrationFlows do not match stocks

  5. #4: Immigration StatusNo systematic data • Within the UK migrant population (“stock”) • How many are on Tier 1 visas? Tier 2? Other? • How many on student visas are employed? • How do skills vary across different immigration statuses?

  6. #5: Local area statistics:Imprecise estimates

  7. #6: Public OpinionWho counts as a migrant? • Government stats vs. members of public • Permanent/temporary • Students • Skills, resources • Legal/illegal • Mismatched definitions  mismatched policies?

  8. #7: Impact on Public ServicesLack of data collection and analysis • Lack of data collection on migrant status of users of services • Scarcity of systematic research on migrants’ role in provision of public services

  9. #8: Impact on HousingInsufficient research • Impact on house prices, rents • Indirect effects on social housing

  10. #9: Student migration:Uncertain numbers, compliance, impacts • Contribution to net migration • Visas vs. IPS • Exits • “potential” vs. actual non-compliance • Impact on job market for British graduates

  11. #10: Irregular/illegal MigrantsNumbers, characteristics • Uncertainty • 524,000 – 947,000 estimated at end of 2007 (based on methods in 2005 Home Office report) • Questions of definitions (e.g. semi-compliance)

  12. www.migrationobservatory.ox.ac.uk migrationobservatory@compas.ox.ac.uk

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