James Simons made $1.7 billion last year.
Among the top 25 hedge fund managers, the average compensation last year was $570 million.
Much of that income may not be taxed anytime soon: "A lot of the hedge fund managers earning the astronomical paychecks making headlines these days are able to postpone paying taxes on much of that income for 10 years or more."
Maybe some of it won't be taxed at all.
Related: Keeping Social Security solvent seems quite doable.
UPDATE: Percy Walker has more.