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Life expectancy at birth in the Roman Empire is estimated at about 22–33 years. [8] [notes 1] For the two-thirds to three-quarters of the population surviving the first year of life, [9] life expectancy at age 1 is estimated at around 34–41 remaining years (i.e. expected to live to age 35–42), while for the 55–65% surviving to age 5, life expectancy was around 40–45. [10]
[11] Europe (Including area of the former USSR) Americas Asia (including Australasia) Africa World Clark 44,500 3,000 185,000 23,000 225,500 Durand
This article lists the largest human settlements in the world (by population) over time, as estimated by historians, from 7000 BC when the largest human settlement was a proto-city in the ancient Near East with a population of about 1,000–2,000 people, to the year 2000 when the largest human settlement was Tokyo with 26 million.
These tables give an idea of estimated population at various dates from the earliest times to the most recent: Timeline: Neolithic–Bronze Age–Iron Age–ancient Greece–Roman Republic (7000–1 B.C.)
Map of the world in 323 BC Map of the Eastern Hemisphere in 100 BC. Classical demography refers to the study of human demography in the Classical period.It often focuses on the absolute number of people who were alive in civilizations around the Mediterranean Sea between the Bronze Age and the fall of the Western Roman Empire, but in recent decades historians have been more interested in ...
With 2,860,009 residents in 1,285 km 2 (496.1 sq mi), [2] Rome is the country's most populated comune and the third most populous city in the European Union by population within city limits. The Metropolitan City of Rome, with a population of 4,355,725 residents, is the most populous metropolitan city in Italy. [3]
Rome had begun expanding shortly after the founding of the Roman Republic in the 6th century BC, though not outside the Italian Peninsula until the 3rd century BC. Thus, it was an "empire" (a great power) long before it had an emperor. [ 21 ]
The Arch of Gallienus is one of the few monuments of ancient Rome from the 3rd century, and was a gate in the Servian Wall. Two side gates were destroyed in 1447. Rome's population declined after its apex in the 2nd century. At the end of that century, during the reign of Marcus Aurelius, the Antonine Plague killed 2,000 people a day. [38]