The publication presents information about the entities of the national economy recorded in the National Official Business Register REGON as of the end of December 2013, the number of entities newly recorded and signed off from the register in 2013 as well as information on entities of suspended activity. In order to illustrate changes and tendencies in the stucture of regional economy, most data are compared with the analogous results from the previous year and selected information is presented in a perspective from 2000.