№ lp_1_2_17574
Summary of administrative and survey data on migrant workers in the UK, describing the structure, coverage, key variables, and linking methods across MWS, ASHE, PAYE, and SA datasets.
Author: Felix Ritchie, Van Phan, Damian Whittard, Alex Bryson, John Forth, Carl Singleton
Date: December 2025
Type of document: Research summary
Datasets referenced: Migrant Workers Scan (MWS), Annual Survey of Hours and Earnings (ASHE), HMRC PAYE, Self-Assessment (SA)
Data source: HM Revenue and Customs (HMRC), Office for National Statistics (ONS)
Funding: ADR UK, Wage and Employment Dynamics Phase II (WEDII)
Population covered: Non-UK residents aged 16 and over with a National Insurance number
Data period: 1975–2025 (MWS), 1997–2022 (ASHE), 2011–2018 (SA), 2015–2019 (PAYE)
Key variables: Age, sex, country of nationality, previous residence, date of arrival, date of registration, postcode area
Derived variables: Binary sex marker, country groupings
Linking variables: hmrc_id, piden
Quality notes: Some missing values and inconsistencies detailed in the document
Price: 8 / 10 USD
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