Currently, there are 45 US airports in the Global Entry program (with some scattered in Canada, Guam, and Ireland). 1  Share on Facebook. 2  Pin it.
The original big-box Walmart store is now called a Discount Store, and the company has been closing these stores or converting them to Supercenters for at least the last 5 years. In 2010, the company had 810 Discount Store; the number has shrunk to 508 in 2014. The average size is 105,000 square feet.
The CDFI Fund's report on the grocery industry says supermarket size ranges anywhere from 20,000 to 65,000 square feet. Supercenters, known also as hypermarkets, are in essence department stores combined with supermarkets together under one roof, occupying an average of 170,000 square feet.