Federal law prohibits private enterprises from competing with the Post Office in the delivery of 1st Class mail. Looking only at express packages, for which consumers are allowed to make market choices, in 2004, UPS handled 13,638,000 packages per day; FedEx handled 3,167,000; DHL 705,000 and the Post Office 149,000.
Package - parcel - individually identified/ addressed/ paid for item. 202 BILLION. 3.8 billion a week, half a billion a day, that’s more items in a day than UPS, FedEx and DHL combine for in a year.