when did the human population reached 1 million
World population Estimates of the population of the world at the time agriculture emerged in around 10,000 BCE have ranged between 1 million and 15 million.[26][27] Even earlier, genetic evidence suggests humans may have gone through a population bottleneck of between 1,000 and 10,000 people about 70,000 BCE, according to the Toba catastrophe theory. By contrast, it is estimated that around 50â€“60 million people lived in the combined eastern and western Roman Empire in the 4th century CE.[28]
My Ántonia
Florida With a population of more than 18 million according to the 2010 census, Florida is the most populous state in the southeastern United States and the third-most populous in the United States.
Demographic transition Today, the U.S. is recognized as having both low fertility and mortality rates. Specifically, birth rates stand at 14 per 1000 per year and death rates at 8 per 1000 per year.[39]