Data access: Data use is for the Humob Challenge 2026 only. For details, check the Humob Challenge 2026 website. If you want to participate in the challenge and use this dataset, please 'Request Access' with your teamname, team leader's name (please choose 1 person from your team), and email address. Researchers may use this dataset for publications and reports, as long as: 1) Users shall not carry out activities that involve unethical usage of the data, including attempts at re-identifying data subjects, harming individuals, or damaging companies, and 2) The Data Descriptor paper of an earlier version of the dataset (citation below) needs to be cited when using the data for research and/or commercial purposes. Downloading this dataset implies agreement with the above two conditions. Yabe, T., Tsubouchi, K., Shimizu, T., Sekimoto, Y., Sezaki, K., Moro, E., & Pentland, A. (2024). YJMob100K: City-scale and longitudinal dataset of anonymized human mobility trajectories. Scientific Data, 11(1), 397. https://www.nature.com/articles/s41597-024-03237-9 Data contents: The dataset contains aggregated origin-destination mobility flows for the Noto / Ishikawa study area, daily aggregated and in approximately 2 km grid cells. Study Area Bounding Box Coordinate Value x,y grid cells Latitude range 36.203 to 37.646 1 to 70 Longitude range 136.029 to 138.042 1 to 100 Training and Test Periods Split Period Training period November 1, 2023 to January 31, 2024, and April 1, 2024 to June 30, 2024 Test period February 1, 2024 to March 31, 2024