Amazon overtakes US Postal Service as largest parcel carrier

Amazon passed the U.S. Postal Service as the largest domestic parcel carrier in 2025, anchoring a broader market shift away from traditional couriers, as it in-sourced a large amount of last-mile delivery work previously handled by UPS, according to data published Monday by ShipMatrix Inc. Amazon (NASDAQ: AMZN) handled 6.7 billion parcels last year, up 9.8% year over year, compared to an 8.3% decline for the U.S. Postal Service to 6.6 billion pieces. UPS (NYSE: UPS) also experienced an 8.3% volume decline ...