Toggle navigation Language: English English Nederlands (informeel) 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 Nederlands (informeel) 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. 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 ×
