Amazon ships 1.6 million packages a day.

Amazon fulfillment is a beast of its own.

A report from 2013 (the latest year for which data are available) found Amazon shipped 608 million packages that year, or 1.6 million packages a day.

As of 2015, Amazon estimated its fulfillment centers were within 20 miles of 31% of the US population, and within 20 miles of 50-65% of its core, same-day-accessible market.