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In the more developed regions, the projected increase is from 76 years during the period 2000–2005 to 84 years during the period 2045–2050 and 90 in 2095–2100. Among the less developed countries, where life expectancy during the period 2000–2005 was just under 66 years, it is expected to be 76 years in 2045–2050 and 81 years by 2100.
To the right of each year column (except for the initial 1950 one), a percentage figure is shown, which gives the average annual growth for the previous five-year period. Thus, the figures after the 1960 column show the percentage annual growth for the 1955-60 period; the figures after the 1980 column calculate the same value for 1975–80; and ...
The total number of births globally is currently (2015–2020) 140 million/year, which is projected to peak during the period 2040–2045 at 141 million/year and then decline slowly to 126 million/year by 2100. [7] The total number of deaths is currently 57 million/year and is projected to grow steadily to 121 million/year by 2100. [8]
The table starts counting approximately 10,000 years before present, or around 8,000 BC, during the middle Greenlandian, about 1,700 years after the end of the Younger Dryas and 1,800 years before the 8.2-kiloyear event. From the beginning of the early modern period until the 20th century, world population has been characterized by a rapid growth.
Based on this, the UN projected that the world population, 8 billion as of 2023, would peak around the year 2086 at about 10.4 billion, and then start a slow decline, assuming a continuing decrease in the global average fertility rate from 2.5 births per woman during the 2015–2020 period to 1.8 by the year 2100 (the medium-variant projection).
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Estimates vary depending on many factors, but the general consensus is that there are between 6,000 and 7,000 languages currently spoken. Between 50% and 90% of those will have become extinct by the year 2100. [55] The top 20 languages spoken by more than 50 million speakers each, are spoken by 50% of the world's population. In contrast, many ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 10 January 2025. Scientific projections regarding the far future Several terms redirect here. For other uses, see List of numbers and List of years. Artist's concept of the Earth 5–7.5 billion years from now, when the Sun has become a red giant While the future cannot be predicted with certainty ...