29 | PwC’s 21st CEO Survey 21st CEO Survey Methodology PwC conducted 1,293 interviews with CEOs • 40% of companies had revenues of We also conducted face-to-face, in-depth in 85 countries. Our sample is weighted by $1 billion or more. interviews with CEOs and thought leaders national GDP to ensure that CEOs’ views are • 35% of companies had revenues between from five continents over the fourth quarter fairly represented across all major countries. $100 million and $1 billion. of 2017. Their interviews are quoted in this The interviews were also spread across a report, and more extensive extracts can be range of industries. Further details by region • 20% of companies had revenues of up to found on our website at ceosurvey.pwc.com, and industry are available by request. Eleven $100 million. where you can also explore responses by percent of the interviews were conducted by • 56% of companies were privately owned. sector and location. telephone, 77% online, and 12% by post or face-to-face. All quantitative interviews were Notes The research was undertaken by conducted on a confidential basis. • Not all figures add up to 100%, as a result PwC Research, our global centre of excellence of rounding percentages and exclusion of for primary research and evidence-based The lower threshold for all companies ‘neither/nor’ and ‘don’t know’ responses. consulting services included in the top 10 countries (by GDP) www.pwc.co.uk/pwcresearch. was 500 employees or revenues of more than • The base for figures is 1,293 (all US$50 million. The threshold for companies respondents) unless otherwise stated. included in the next 20 countries was more than 100 employees or revenues of more than $10 million.