Demographics of the United States means all the people who live in the United States. It includes things like how old people are, where they come from, how many people there are, what languages they speak, and what their religions are. In the United States, there are over 328 million people from many different countries and cultures who speak many different languages. Most people in the United States are Christian, but there are also many people who are Jewish, Muslim, or believe in other faiths. Most people in the United States speak English, but there are also many who speak Spanish, Chinese, French, German, and other languages. Depending on the region, you'll find people of different ages, backgrounds, and cultures.