"Figure 1: Number of VAT and/or PAYE based businesses","" "UK, 2011 to 2016","" "","" "Notes","1. Approximately 31,000 of the change between 2011 and 2012 was caused by improvements to HMRC computer systems leading to previously excluded businesses being added to the IDBR (See background note 6). 2. Between 2013 and 2014 HM Revenue & Customs (HMRC) introduced a Real Time Information system for PAYE (see background note 7)." "Unit","" "","" "","Number of enterprises","Annual percentage change" "2011","2141770",":" "2012","2233290","4.3" "2013","2249705","0.7" "2014","2360535","4.9" "2015","2449415","3.8" "2016","2554510","4.3"