The 2021 Scottish Election Study (SES) panel survey was carried out as a collaboration between the University of Edinburgh, University of Glasgow, University of Essex, and Royal Holloway, University of London. Professor Ailsa Henderson served as Principal Investigator, with Professors Rob Johns, Christopher Carman, and Christopher Hanretty serving as Co-Investigators. Dr Fraser McMillan and Dr Jac Larner served as Research Associates. The wider 2021-2025 Scottish Election Study project, including all survey data collection, is funded by the Economic and Social Research Council.Further information can be found on the Scottish Election Study webpage. Public attitudes and voting behaviour in Scotland