How big? Where?

• Size of company

it's the world's biggest retailer and also the biggest employer with over 2.1 million full- and part-time workers worldwide 1.4 million in the U.S. It operates Wal-Mart stores along with Sam's Club membership warehouses in the U.S. and 14 foreign countries.

The company has 10,130 stores worldwide with over 4,400 in the U.S. As of December 2011, there were 3,858 Wal-Mart stores in the U.S. and 610 Sam's Club stores.

Where in the world?

• Where in the world does it operate?

Wal-Mart's operate internationally in 15 countries outside the united states in 4,263 stores and 660,000 workers, total of all employees working for Wal-Mart is 2.1 million worldwide, the company considered to be the largest private employer in the US, Mexico and Canada. Below are the names of countries Wal-Mart operates in:

Argentina
Brazil
Canada
China
Germany
Korea
Mexico
Puerto Rico
United Kingdom

The picture shows the spread of WM stores throughout the U.S.