During the last 30 years the top 1% of Americans have seen a 275% increase. Over the same period the bottom 20% has grown by 18%. The top 1 percent made $165,000 or more in 1979; that jumped to $347,000 or more in 2007, the study said. The income for the top fifth started at $51,289 in 1979 and rose to $70,578 in 2007. On the other end of the spectrum, those in the 20th percentile went from $12,823 in 1979 to $14,851 in 2007. The report also found: —The top 20 percent of the population earned 53 percent of after-tax income in 2007, as opposed to 43 percent in 1979. Any doubts about who's in control and what they're doing?