Unverified50% confidenceFactExact time
It is estimated that the total indigenous population of the Americas declined by approximately 90% from the early 16th century to the mid-17th century.
1
Sources
50%
Confidence
Long-term
Relevance
8/9/2026
First Seen
Sources
亚马逊失落文明：3%雨林面积曾养活300万人口
Related Claims
UnverifiedSome models have already surpassed 90% of the human average score on MMLU, causing their discriminative power to drop sharply.55% similarVerifiedOver the past two years, the inference cost of mainstream models has dropped by more than 90%.53% similarVerifiedSince 2023, API prices for mainstream LLMs have fallen by more than 90%51% similar
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