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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).
The Next 100 Years is a 2009 speculative nonfiction book by George Friedman. In the book, Friedman attempts to predict the major geopolitical events and trends of the 21st century. Friedman also speculates in the book on changes in technology and culture that may take place during this period.
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 31 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 ...
Estimates of world population by their nature are an aspect of modernity, possible only since the Age of Discovery.Early estimates for the population of the world [10] date to the 17th century: William Petty, in 1682, estimated the world population at 320 million (current estimates ranging close to twice this number); by the late 18th century, estimates ranged close to one billion (consistent ...
Download as PDF; Printable version; In other projects ... move to sidebar hide. This page is an index to individual articles for years. Years are shown in ...
The UN's estimates have decreased strongly in recent years due to sharp declines in global birth rates. [4] Others have challenged many recent population projections as having underestimated population growth. [5] The world human population has been growing since the end of the Black Death, around the year 1350. [6]
The following list enumerates Hindu monarchies in chronological order of establishment dates. These monarchies were widespread in South Asia since about 1500 BC, [1] went into slow decline in the medieval times, with most gone by the end of the 17th century, although the last one, the Kingdom of Nepal, dissolved only in the 2008.