The DFG Infobrief (3.21) summarises quantitative analyses on the duration and completion of doctorates pursued under DFG-funded Coordinated Programmes based on two studies published by the DFG in 2021.
All in all, in DFG-funded consortia in the programmes Collaborative Research Centre, Research Training Group, Cluster of Excellence and Graduate School four out of five doctoral projects started are completed. Half of doctoral researchers complete their doctorate within 51 months. The duration of a doctorate can of course vary greatly, both from one individual to the next and within the same consortium. (Source: DFG Infobrief 3.21)