;2018;2019;2020;Change in the last year; Members of trade union organisations;;;;; All associations of wage earners;1857787;1904065;1941068;37003; The Norwegian Federation of Trade Unions;936711;952394;970054;17660; Confederation of Vocational Unions;222392;225794;228824;3030; Confederation of Unions for Professionals;367978;375181;380803;5622; Federation of Norwegian Professional Associations;208597;220005;231000;10995; Other associations of wage earners;122109;130691;130387;-304; ;2018;2019;2020;Change in the last two years; Strikes and lockouts;;;;; Work stoppages;11;8;7;-4; Wage earners in work stoppages;3502;1934;9377;5875; Working days lost;24142;21532;135768;111626;