HMRC Publish the Tax Gap Statistics for 2019/2020, estimated at £35 billion, VAT gap reducing

The tax gap for 2019/20 is estimated at £35 billion (5.3 percent of total tax receipts).

There has been a long-term reduction for the VAT gap from 14.1% in 2005 to 2006 to 8.4% in 2019 to 2020

Source KPMG