The world's population is expected to peak at 10.3 billion in 2084 and then decline to 10.2 billion through the end of the century.

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A new DNA model suggests humans didn't reach Australia until 50,000 years ago, but archaeological data disagrees.

The global population has continued to increase since then, even though the birth rate has fallen, largely because the world ...

South Korea's population might plummet to 15% of its current level over the next 100 years due to an ongoing demographic ...