This study contains the panel survey data on public attitudes towards Brexit in the United Kingdom, conducted between 2021-2022. It includes 3-wave panel data on how attitudes towards Brexit developed in the aftermath of the 2016 Brexit referendum, including questions on identification as "Leavers" and "Remainers", party identification, ideology, personality traits, political discussion and political tolerance. The 3 waves were conducted in March 2021, June 2021 and May 2022 by YouGov. To obtain a free account please register with the UKDA.