The GLES collects a wide range of data for German federal elections, as well as between German federal elections. This includes studies of both eligible voters and candidates. Below is a brief overview of the data currently collected or soon to be collected by the GLES.
| Study Title | ZA-Number | Data Collection Period | Pre-release of Questionnaires | Data Publication |
| GLES Panel, Control Group I to Wave 17 | ZA7718 | 07.07.2021 - 20.07.2021 | not yet available | |
| GLES Tracking, T57 | ZA7715 | 06.03.2024 - 15.03.2024 | German (0.94 MB) | Summer 2024 |
| GLES Tracking, T58 | ZA7716 | 12.06.2024 - 21.06.2024 | not yet available | Fall 2024 |
| GLES Panel, Wave 26 | ZA6838 | 12.06.2024 - 25.06.2024 | not yet available | Fall 2024 |
