Toggle navigation Language: English - English English - English Nederlands (informeel) - Dutch (informal) Caution: JavaScript execution is disabled in your browser or for this website. You may not be able to answer all questions in this survey. Please, verify your browser parameters. Language: English - English Nederlands (informeel) - Dutch (informal) Change the language default Factfulness survey This quiz was developed by Hans Rosling, a professor from Sweden, to test your knowledge of the world. This survey is anonymous. The record of your survey responses does not contain any identifying information about you, unless a specific survey question explicitly asked for it. If you used an identifying token to access this survey, please rest assured that this token will not be stored together with your responses. It is managed in a separate database and will only be updated to indicate whether you did (or did not) complete this survey. There is no way of matching identification tokens with survey responses. × We are sorry but you can't proceed without first agreeing to our survey data policy. I agree Show policy Survey data policy This quiz is completely anonymous. We do not record information about your location. We do record the answers and the time you need to finish this quiz. Next ×