This data set contains all currently available tweets from the beginning of the Black Lives Matter (BLM) movement in 2013 to 2021. All tweets contain the following keywords BlackLivesMatter, AllLivesMatter, and BlueLivesMatter, or some variation (e.g., #blacklivesmatter or black lives matter). The data set consists of 63.9 million tweets from 13.0 million users from over 100 countries. Instructions on pulling the Twitter data from the Twitter API are here. Please use the following citation if you use this data in a paper: Giorgi, S., Guntuku, S. C., Himelein-Wachowiak, M., Kwarteng, A., Hwang, S., Rahman, M., & Curtis, B. (2022). Twitter Corpus of the #BlackLivesMatter Movement And Counter Protests: 2013 to 2021. In Proceedings of the International AAAI Conference on Web and Social Media