Human overpopulation
undesirable condition where human numbers exceed the current carrying capacity of the environment
Human overpopulation or human population overshoot is the condition in which human populations may become too large to be sustained by their environment or resources in the long term. Human overpopulation or population overshoot is usually discussed in the context of world population, though it may concern individual nations, regions, and cities.
Since 1804, the global living human population has increased from 1 billion to 8 billion due to medical advancements and improved agricultural productivity. Annual world population growth peaked at 2.1% in 1968 and has since dropped to 1.1%. According to the most recent United Nations' projections, the global human population is expected to reach 9.7 billion in 2050 and would peak at around 10.4 billion people in the 2080s, before decreasing, noting that fertility rates are falling worldwide. Other models agree that the population will stabilize before or after 2100. Conversely, some researchers analyzing national birth registries data from 2022 and 2023—which cover half the world's population—argue that the 2022 UN projections overestimated fertility rates by 10 to 20% and were already outdated by 2024. They suggest that the global fertility rate may have already fallen below the sub-replacement fertility level for the first time in human history and that the global population will peak at approximately 9.5 billion by 2061. The 2024 UN projections report estimated that world population would peak at 10.29 billion in 2084 and decline to 10.18 billion by 2100, which was 6% lower than the UN had estimated in 2014.
Early discussions of overpopulation in English were spurred by the work of Thomas Malthus.
Begin with the source’s own compact description: “Human overpopulation” is undesirable condition where human numbers exceed the current carrying capacity of the environment. The dossier treats that line as a proposition to test through Human, overpopulation and undesirable, not as a finished interpretation.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Aug 18, 2026. The linked authority identifier is Q331439. The Library of Congress control number is sh93000647. 1 of 1 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 1804, 1968, 2050 and 2022.
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This entry incorporates text from “Human overpopulation” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.