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  "path": "/science/news-science/the-human-population-has-already-surpassed-the-optimal-size-by-nearly-6-billion-people/",
  "publishedAt": "2026-05-27T20:53:58.000Z",
  "site": "https://www.zmescience.com",
  "tags": [
    "Environment",
    "News",
    "human population",
    "population"
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  "textContent": "The ideal number of humans on Earth is around 2.5 billion and a major study explains what that means for our future.",
  "title": "The Human Population Has Already Surpassed the Optimal Size by Nearly 6 Billion People"
}