Share of people worldwide who believed select risk factors caused cancer as of 2019

Percentage of people worldwide who thought the following increase a person's risk of getting cancer as of 2019

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Release date

January 2020



Survey time period

October 25 to November 25, 2019

Number of respondents

15,427 respondents

Age group

16 years and older

Method of interview

Online survey

Supplementary notes

Respondents were from 20 countries around the world: Australia, Bolivia, Brazil, Canada, China, France, Germany, Great Britain, India, Israel, Japan, Kenya, Mexico, the Philippines, Saudi Arabia, South Africa, Spain, Sweden, Turkey and the United States.
Original Question: Which, if any, of the following do you personally think increases a person’s risk of getting cancer? Please select all that apply.

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