20 methodology , sorted by release date
Quality and Methodology Information for local area migration, detailing the strengths and limitations of the data, methods used, and data uses and users.
Allweddeiriau: local, migration, immigration, emigration
Quality and Methodology Information for population of the UK by country of birth and nationality, detailing the strengths and limitations of the data, methods used, and data uses and users.
Allweddeiriau: country of birth, methodology, population estimates, migration, UK population
An introduction to the main concepts that underpin international migration statistics, including answers to frequently asked questions.
Allweddeiriau: glossary, international definitions, illegal migrants, bulgarian, romanian, LTIM
A summary of the current methods in using the administrative data source the Registration and Population Interaction Database (RAPID) from the Department for Work and Pensions in estimating international migration.
Allweddeiriau: emigration, immigration
In-depth look at methodology of both Long-Term International Migration (LTIM) and the International Passenger Survey (IPS), including preliminary adjustments, assumptions made for variables, and changes over time.
Allweddeiriau: IPS locations, migrant switchers, visitor switchers, assumptions, methodology changes
Understanding the reliability and accuracy of Long-Term International Migration estimates, including sampling distribution, sampling error, statistical significance and confidence intervals.
Allweddeiriau: international migration, sampling distribution, sampling error, statistical significance, confidence intervals
Estimates of Short-Term International Migration to and from the UK for England and Wales, by reason for migration, age, sex and citizenship.
Allweddeiriau: migrants, immigration, emigration
An introduction to the main concepts that underpin Short-Term International Migration statistics for local authorities in England and Wales.
Allweddeiriau: STIM, flows, local authority, migration, immigrants
Guidance note for revising official long-term non-EU student migration estimates, year ending September 2016Guidance for users containing the methodology and reason for revising official long-term International Passenger Survey (IPS) estimates of non-EU study.
Allweddeiriau: revision, methodology, migration, students, IPS
This background note provides an overview of the quality of the International Passenger Survey (IPS) for estimating international migration flows and has been updated following additional work carried out during 2017. This includes the implementation of electronic questionnaires on tablets to replace the current paper questionnaires, an out-of-hours pilot, and a comparison of how other countries measure long-term immigration.
Allweddeiriau: airports, IPS, sampling