The statistics have been revised in connection with the publication at 31/12/2019. Among other reasons, the revision is due to the merger of the LO and FTF to FH, so that Statbank Denmark now only includes unions that existed at 31/12/2019. We have traced mergers back to 2007 under their current name. Read more on: https://www.dst.dk/da/Statistik/emner/arbejde-indkomst-og-formue/tilknytning-til-arbejdsmarkedet/loenmodtagerorganisationer