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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).
Population of the present-day top seven most-populous countries, 1800 to 2100. Future projections are based on the 2024 UN's medium-fertility scenario. Chart created by Our World In Data in 2024. The following is a list of countries by past and projected future population. This assumes that countries stay constant in the unforeseeable future ...
Ethnic demography of Leeds over time Ethnic makeup of Leeds by single year ages in 2021 The following table shows the ethnic group of respondents in the 2001 and 2011 censuses in Leeds. A Home Office report officially estimated that the 'coloured' population of Leeds in 1958 was likely around 3,000 to 5,000, the majority of these being Afro ...
It accounts for 20% of the area and 62% of the population of the City of Leeds. The population of the urban subdivision had a 100 to 93.1 female–male ratio. [92] Of those over 16 years old, 39.4% were single (never married) and 35.4% married for the first time. [93]
A population projection, in the field of demography, is an estimate of a future population. It is usually based on current population estimates derived from the most recent census plus a projection of possible changes based on assumptions of future births, deaths, and any migration into or out of the region being studied. [1]
The population of the United Kingdom was estimated at 67,596,281 in 2022. [1] It is the 21st most populated country in the world and has a population density of 279 people per square kilometre (720 people/sq mi), with England having significantly greater density than Wales, Scotland, and Northern Ireland. [1]
[5] [needs update] Projected figures vary depending on underlying statistical assumptions and which variables are manipulated in projection calculations, especially the fertility variable. Long-range predictions to 2150 range from a population decline to 3.2 billion in the 'low scenario', to 'high scenarios' of 24.8 billion.
English: Leeds population pyramid 2020. Date: 1 October 2022: Source: Own work, data taken from Sex by age in the 2021 census: Author: Tweedle: Licensing.