The UK tax gap has been estimated at 5.3 percent in the 2019-20 tax year, standing at approximately £35 billion.
This means HMRC received 94.7 percent of all tax due.
The tax gap for Income Tax, National Insurance contributions and Capital Gains Tax (IT, NICs and CGT) was 3.5 percent in 2019 to 2020 at £12.6 billion.
In total, the avoidance tax gap has reduced from £4.7 billion in 2005-06 to £1.5 billion in 2019-20.
Within the wealth customer group – ...