Food deserts in the United States
Food deserts are generally defined as regions that lack access to supermarkets and affordable, healthy foods, particularly in low-income communities. According to the USDA's most recent report on food access, as of 2017, approximately 39.5 million people – 12.9% of the US population – lived in low-income and low food access.
Source: Wikipedia — Food deserts in the United States (CC BY-SA 4.0)