nuclear reactor designed mainly for generation of high neutron intensities for research purposes. May also be used for training, material testing and generation of radionuclides. As of August 2020, the International Atomic Agency’s Research Reactor Database contains information on research reactors, of which 220 are operational, 59 are in permanent shutdown, 66 under decommissioning, 444 have been decommissioned, 13 are planned and 11 under construction

Research reactors in operation, IAEA, August 2020

Age distribution of research reactors, IAEA, August 2020