Romes history and population
Currently there is an estimated population of 3 million people. According to tradition, Rome became a republic in 509 BC. In 64 AD, it burned to the ground. There have been many ruins left from that. Rome has been growing since then. Around the time 200 AD, this city was considered the most populous city in the world. Rome was the first city in history to reach a population of 1 million. Today, Rome has hundreds of amazing tourist attractions. SOURCE: CIA Factbook