It is difficult to determine the exact number of people named Juan in the world as it is a common name in many countries and there is no central registry of names. However, according to various estimates, there are approximately 12 million people named Juan worldwide. This includes individuals from different countries such as Spain, Mexico, Argentina, Colombia, Peru, and other Spanish-speaking nations, as well as individuals from other countries who may have adopted the name Juan. It is worth noting that the name Juan is also a variant of the English name John, which adds to the complexity of estimating the total number of individuals with this name globally.