Some problems about employment needs The article deals with the nature of employment needs and the demands arising from these as the necessity of creating employment. It relies upon a synthetîc description of the growth of unemployment during thé last fifteen years. Three important and interdependant causes are recalled : the insufficient number of jobs created, together with an inadequate division by sectors ; the increasing use of labour force reserves by the extension of the weight of the salaried workers ; the birth of a « perverse » relation between mobility and unemployment which has helped to loosen the link between the creating of employment and the reabsorbing of unemployment. Because of this, quantitative and qualitatitve aspects ...