It describes accidents at work of persons working in the national economy. Information is recorded by employers, concerning per- sons injured in accidents at work. It contains data on accidents at work in private farms, concerning only the accidents as a result of which the injured received a one-off compensation from the Agricultural Social Insurance Fund (KRUS) due to permanent or long-term health damage. Data on accidents at work suffered by persons conducting economic activity and persons cooperating with them who were granted a one-off accident compensation by the Social Insurance Institution (ZUS) is also included.