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[3] [4] [5] Conversely, other researchers have found that national birth registries data from 2022 and 2023 that cover half the world's population indicate that the 2022 UN projections overestimated fertility rates by 10 to 20% and are already outdated, that the global fertility rate has possibly already fallen below the sub-replacement ...
The UN Population Division has calculated the future population of the world's countries, based on current demographic trends. The UN's 2024 report projects world population to be 8.1 billion in 2024, about 9.6 billion in 2050, and about 10.2 billion in 2100. The following table shows the largest 15 countries by population as of 2024, 2050 and ...
Global population size, estimates (1950–2022) and medium scenario with 95 percent prediction intervals, 2022–2100 [4]. Amid global challenges such as climate change and the COVID-19 pandemic, several observers, including David Attenborough, have expressed concerns about the future of the planet and its inhabitants as the population grows.
The 2022 projections from the United Nations Population Division (chart #1) show that annual world population growth peaked at 2.3% per year in 1963, has since dropped to 0.9% in 2023, equivalent to about 74 million people each year, and could drop even further to minus 0.1% by 2100. [101]
The world population more than tripled during the 20th century from about 1.65 billion in 1900 to 5.97 billion in 1999. [15] [16] [17] It reached the 2 billion mark in 1927, the 3 billion mark in 1960, 4 billion in 1974, and 5 billion in 1987. [18] The overall population of the world is approximately 8 billion as of November 2022.
Living costs are a big overpopulation problem.
The 20 countries in the world in which the population has declined between 2010 and 2015 Historical population growth rate (1950–1955) estimated by the UN [7]
The Han Chinese are the world's largest single ethnic group, constituting over 19% of the global population in 2011. [82] The world's most-spoken languages [a] are English (1.132B), Mandarin Chinese (1.117B), Hindi (615M), Spanish (534M) and French (280M). More than three billion people speak an Indo-European language, which is the largest ...