This is the full dataset of all tweets collected for the project "The Impact of the COVID-19 Pandemic on Bordering Discourses Regarding Migration and Mobility in Europe". The dataset contains over 75 000. The codebook associated with the dataset can be found here: https://zenodo.org/record/6619705#.Y8-6l3bMKUk Further inquiries can be adressed to Marie-Eve Bélanger (www.marie-eve-belanger-phd.com) Summary of the research project: This research project traces the evolution of migration and mobility control measures and their discursive justification in Europe as the global crisis provoked by the Covid-19 pandemic is unfolding. It is designed to show how multi-level decision-making structures and processes react to emergency situations, a...