How many people do a town need to become a city?

The population required for a town to be designated as a city varies by country and even within regions of countries. In the United States, for example, some states may require a population of around 1,500 to 5,000 residents, while others may have no specific population threshold. In the UK, city status is granted by royal charter and does not depend solely on population. Ultimately, the criteria for city designation depend on local laws and regulations.