The population of the world over the centuries
The global population grew from about 5 million around 10,000 BCE to over 8.1 billion today. Early stability gave way to steady increases after 1500, then explosive growth following the Industrial Revolution and 20th-century medical advances. Key milestones include reaching 1 billion by 1800, 2 billion in 1927, and 6 billion by 1999. Current trends … Read more