Revealed: populists far more likely to believe in conspiracy theories

Largest survey of its kind uncovers suspicion of vaccines in big part of world population

• Methodology: How the Guardian analysed YouGov-Cambridge data

Populists across the world are significantly more likely to believe in conspiracy theories about vaccinations, global warming and the 9/11 terrorist attacks, according to a landmark global survey shared exclusively with the Guardian.

The YouGov-Cambridge Globalism Project sheds new light on a section of the world population that appears to have limited faith in scientific experts and representative democracy.