This Walmart SWOT analysis reveals how the world's largest corporation leverages its competitive advantages to dominate and grow in the retail industry. This Walmart SWOT analysis also identifies the company's key strengths, weaknesses, opportunities, and threats. Walmart is the world's most profitable company. It is also the world's largest private company, employing over 2.3 million people. The company is a retail market giant in the United States and a major competitor in its geographic markets. In 2021, Walmart's revenue will be $559.151 billion, more than the combined revenues of Amazon.com and Costco.