Why do most animals live in the wild?

The premise of your question contains an incorrect assumption. It is not true that most animals live in the wild. In fact, there are many animals that are domesticated, meaning they live and are kept by humans for specific reasons. Examples include companion animals like dogs and cats, livestock such as cows and pigs for agricultural purposes, and laboratory animals used in research. On the other hand, "living in the wild" would refer to the state of being undomesticated and living in natural environments. While numerous species exist in diverse ecosystems worldwide, it's important to acknowledge the vast spectrum of habitats and interactions that animals engage in, including those beyond what we traditionally perceive as "the wild".