An info-graphic is a visual representation of information or data, such as a chart or diagram. Many informative posters use info graphics to tell information to the audience in an interesting way. Info-graphics are an effective way for the audience to visualise the data and understand it even more.
A key part of a good info graphic, is it's colour scheme. The colours should be vibrant and exciting. I would have liked to have created an info graphic for my image-only poster, unfortunately there aren't any statistics to base my info graphic around.
Here are some great examples of info graphics I found at http://www.informationisbeautiful.net :
