This document provides information about Serbia's population. It notes that Serbia's population in 2017 was estimated at 8.79 million people, with Belgrade as the largest city at 1.2 million residents. Some key population statistics mentioned include one birth every 6 minutes, one death every 5 minutes, and a net loss of one person every 17 minutes. The population pyramid shows Serbia has an aging population. Ethnic groups are discussed, with Serbs being the dominant ethnic group. The dominant religion is Orthodox Christianity at 85% of the population. Foreigners staying in Serbia must register with local police within 24 hours of arrival or changing addresses.