Tax gap value in the United Kingdom (UK), by cause 2018/19

Data on the tax gap in the United Kingdom in the fiscal year 2018/19, by behaviour, shows that of the causes listed by the source, 'failure to take reasonable care' accounted for 5.5 billion British pounds of tax revenue lost, the most of any category. The lowest pounds of tax revenue lost was for avoidance, at 1.7 billion British pounds.