How many 10 year olds are there in the world?

As of recent estimates, there are approximately 140 million children aged 10 years old globally. This figure can vary based on factors such as birth rates and demographic changes. The number is part of broader statistics on children under the age of 15, which account for a significant portion of the world's population. For precise and current numbers, consulting the latest data from organizations like UNICEF or the World Bank is recommended.