Global Convenience Food Market Size, Share & Demand Report By Product Type (Ready-to-Eat Meals, Ready-to-Cook Foods, Instant Foods, Convenience Snacks), By Preservation Technology (Frozen, Chilled, Shelf-Stable), By Distribution Channel (Supermarkets & Hypermarkets, Convenience Stores, Online Retail, Foodservice), By End Use (Household, Foodservice, Institutional), By Region & Segment Forecasts, 2026–2031