Online video advertising expenditure in the UK reached £1,538.5m in 2017, according to data from the Advertising Association/WARC Expenditure Report. This represents a year-on-year increase of 40.1% from 2016, when total spend amounted to £1,098.2m. The sector accounted for a 36.5% share of UK digital display adspend in 2017, up 5.9 percentage points (pp) from 2016.