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World Population: 15 Million

By Michael Alan Prestwood

Author and Natural Philosopher

04 Apr 2024
Published 2 years ago.
Updated 2 years ago.
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World Population: 15 Million

3000 BCE
Estimates range from 9 to 16 million

World Population: 15 Million

Stone Copper Age

Chalcolithic Period: 3,000 BCE – 500 BCE.

  • Africa-Middle East: 36% or 5 million people
    Early civilizations include Egypt and Mesopotamia with a relatively higher population density.
  • Asia: 36% or 5 million people
    Early civilizations include Indus Valley and ancient China. They saw early urban development and agriculture which supported larger populations.
  • Europe-Mediterranean: 14% or 2 million people
    Smaller due to the varied climatic conditions and the later development of agriculture compared to the Middle East.
  • The Americas: 7% or 1 million people
    More sparsely populated with many diverse hunter-gatherer communities and early agricultural societies, particularly in regions like Mesoamerica.
  • Oceana-Australasia: 7% or 1 million people
    These regions were among the least densely populated, with scattered tribal groups primarily leading hunter-gatherer lifestyles.
Michael Alan Prestwood
Author & Natural Philosopher

Prestwood writes on science-first philosophy, with particular attention to the convergence of disciplines. Drawing on his TST Framework, his work emphasizes rational inquiry grounded in empirical observation while engaging questions at the edges of established knowledge. With TouchstoneTruth positioned as a living touchstone, this work aims to contribute reliable analysis in an emerging AI era where the credibility of information is increasingly contested.

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7 Jan 2026 Edition
Story of the Week
Heraclitus
Quote of the Week
“Everything is in flux.”
Weekly Crossroads!
1. Science »
Will the night sky have stars nearly forever?
2. Philosophy »
What does existence before essence mean?
3. Critical Thinking »
Is cause and effect certain?
4. History!
Who were the Presocratic Philosophers?
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