Demographics of the world means learning about the different kinds of people living in different parts of the world. Just like how you know your friends and classmates have different names, ages, and backgrounds, people around the world also have different names, ages, and backgrounds.
Demographics include things like how many people live in different countries, what languages they speak, what religion they practice, what kinds of jobs they have, and even things like their favorite foods or hobbies. It's like putting all the people in the world into different groups based on their characteristics.
When we talk about demographics, we can also use math to help us understand things like population growth or how many people are in each age group. It's like counting all of your classmates and figuring out how many boys and girls there are in total.
Understanding demographics can help us learn about different cultures and ways of life, and also helps leaders make decisions about things like education, healthcare, and infrastructure in different parts of the world.