Ethnologue. Portail de la statistique publique. Institut National Etudes Démographiques - Recherches sur la population et en démographie. 30 Places to Find Open Data on the Web. Finding an interesting data set and a story it tells can be the most difficult part of producing an infographic or data visualization.
Data visualization is the end artifact, but it involves multiple steps – finding reliable data, getting the data in the right format, cleaning it up (an often underestimated step in the amount of time it takes!) And then finding the story you will eventually visualize. Following is a list useful resources for finding data.