Nearly 40 per cent of people have stopped supporting a charity because of the way it fundraises, according to a survey by the shopping and fundraising website easyfundraising.org.uk.
More than 1,000 UK adults took part in the survey, which was run on the website in May.
It found that 39.7 per cent of people said ‘yes’ when asked if they had ever stopped supporting a charity because of the way it tried to raise funds.
It also asked respondents, 70 per cent of whom were female, to select the methods of fundraising they thought were the most aggressive.
Fifty-four per cent chose doorstep campaigners, 44 per cent chose high-street chuggers and 43 per cent said phone calls to the home.
When asked specifically whether chuggers had ever put respondents off supporting the charity they were representing, 60 per cent said they had.
A spokesman for the Public Fundraising Regulatory Association said the survey was based on unsatisfactory data.
"It’s not a representative sample and it asks a lot of leading questions," he said. "If people have evidence of bad practice, we’ll always take it seriously. Face-to-face fundraising brings in more than 600,000 new donors every year."