This document discusses vegetarianism and provides information on different types of vegetarians, demographics of vegetarians worldwide, reasons people choose a vegetarian diet, and companies that produce vegetarian foods. Some key points include: there are many reasons for becoming vegetarian including ethics, religion, and health; India has the highest percentage of vegetarians at 31% while places like China, New Zealand and Canada have only 1-5%; and major vegetarian food companies include Quorn, Linda McCartney Foods, Graze, and Innocent. The document also outlines foods that are not suitable for vegetarians such as meat, gelatin, rennet, and isinglass.