UTF-32 is a character encoding system that uses 32 bits (or 4 bytes) for each character. This means it can represent over 4 billion different characters, making it capable of encoding every character from all languages, including symbols and emojis. Because of its fixed size, it simplifies certain programming tasks, as each character takes up the same amount of space. However, UTF-32 is not commonly used for everyday applications due to its large size. Most systems prefer UTF-8 or UTF-16, which are more efficient for storing text, especially for languages that use fewer characters. Despite this, UTF-32 is useful in specific scenarios where simplicity and consistency are needed.