Five Money-in-Politics Facts about Herman Cain, Winner of Florida GOP Presidential Straw Poll

5. Retirees are Cain's biggest backers. People who listed "retired" as their occupation on campaign finance filings have donated more money to Cain than any one else -- $138,200 and counting, according to the Center's research. That's about 15 percent of all of Cain's itemized donors. 

Meanwhile, people who work in the general business sector account for about 8 percent of Cain's itemized donations -- $76,000 and counting. And people who work in the finance, insurance and real estate sector account for about 7 percent of Cain's itemized donors -- $63,900 and counting. See more about the sectors and industries that are funding Cain's presidential campaign here on OpenSecrets.org.