What is the unhealthiest fast-food chain in the world?
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6 min read
According to a July 2025 World Atlas report, Wendy's was ranked as the most unhealthy fast-food chain in America. This determination was based on analyzing nutrition data from major chains, including meals with excessively high levels of saturated fat, calories, and sodium. The question of what is the unhealthiest fast-food chain in the world often involves looking beyond a single brand and examining specific menu items and nutritional profiles across different restaurants.