There are many good infographics that display data about dual eligibles in a visually appealing way. Here are several examples from the Kaiser Family Foundation and other media sources.
Source: Wall Street Journal June 27, 2011
Source: Kaiser Family Foundation
Source: Kaiser Family Foundation
Source: Kaiser Family Foundation
Source: Kaiser Family Foundation
Source: Kaiser Family Foundation
Source: Kaiser Family Foundation
Source: Kaiser Family Foundation
Wow, this is some tremendous data!