How much do indie authors earn from Amazon?

According to a new study from AuthorEarnings.com, 1,340 authors are earning $100,000 a year or more from Amazon sales, and half of them are indies and Amazon-imprint authors. Here is more from the report:

Fewer than 115 Big Five-published authors and 45 small- or medium-publisher authorswho debuted in the past five years are currently earning $100K/year from Amazon sales. Among indie authors of the same tenure, more than 425 of them are now at a six-figure run rate.