The 24/7 Wall St. blog has a story on America’s 10 Disappearing Jobs and USPS tops the list:

No single occupation category is projected to lose more jobs than postal service workers. The evolution and increasing use of digital communication has taken a toll on delivered mail. As a result, the government has implemented planned cuts to the number of postal employees. As of 2010, there were approximately 524,000 USPS positions in the country. By 2020, the BLS expects that number will decline by nearly 140,000, or 28%.

There will be more severe declines within certain postal occupations. Postal Service mail sorters, processors and processing machine operators increasingly are being replaced by more efficient mail sorting machines, and their numbers are projected to decline by more than 50% by 2020.

The number of mail carriers is expected to fall by 12 percent, as their areas for delivery can expand as the volumes of mail contract

Read more: America’s 10 Disappearing Jobs – 24/7 Wall St..