Populus conducted an online sample of 2,016 GB adults 18+ between 24 May and 27 May 2019. A sample of 1,147 people use the train. Excluding those who responded ‘don’t know’. Data is weighted to be representative of the population of Great Britain. Targets for quotas and weights are taken from the National Readership Survey, a random probability F2F survey conducted annually with 34,000 adults.