world population
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World population is the total number of people currently alive on Earth. It matters because understanding how many people live on our planet helps us plan for things like resources, food, housing, and services that communities need.
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High, medium, and low projections of the future human world population
In world demographics, the world population is the total number of humans currently alive. It was estimated by the United Nations to have exceeded 8 billion (8,000,000,000) on November 15, 2022. It took around 300,000 years of human prehistory and history for the human population to reach a billion and only 218 more years from there to reach 8 billion. As of 2026, the world population is approximately 8.3 billion. However, this figure is only a very rough approximation (see § History).