3/23/2023 0 Comments 79 ad wars![]() The agricultural era is the period that changed human fortunes completely. Despite the odds stacked against humankind, they were able to hold on and usher in the next period. It is estimated that the population in this ear was at about 10 million people at best. The first humans had to deal with a world that was full of dangerous animals, extreme climate, and diseases that did not have any cure. During this period, humans used primitive tools and had not started agriculture as a way of life. ![]() The rate of population growth in this period was extremely slow, owing to the hardships that surrounded human survival. The period encompasses the first 10,000 years of human's foray into the world. The pre-agrarian period refers to the era when humans were starting to make their way up the pyramid of life. Human population growth can be grouped into three main periods. Over the years, human figures have been alternating between growth spikes and declines depending on various factors present at any given time in history. The staggering numbers mean that the number of people who have already died is 14 times more than the number of people currently living. ![]() The question that probably haunts many people is, how many people have ever existed on this planet before? The average human lifespan is about 79 years, and this means that every 100 years a generation dies out while another is born, according to the Population Reference Bureau, about 108.2 billion people have been born on earth. Vaccinations against dangerous diseases like smallpox that wiped out 300 million humans have also contributed significantly towards the increase of people on the planet. Modern medicine and other advancements in various areas have bumped up the quality of life, and people are living much longer and giving birth in much safer ways, unlike in the past. 50,000 years since human history began, the human population today stands at 7.4 billion people. ![]()
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