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The Population Reference Bureau (PRB) ranking list is based on the data of the 2024 World Population Data Sheet [6] published online. The PRB [ 7 ] is a private, nonprofit organization which informs people around the world about population, health and the environment for research or academic purposes.
The following list sorts countries and dependent territories by their net reproduction rate. The net reproduction rate (R 0) is the number of surviving daughters per woman and an important indicator of the population's reproductive rate.
The decline in the total fertility rate has occurred in every region of the world and is a result of a process known as demographic transition. To maintain its population, ignoring migration, a country on average requires a minimum fertility rate of 2.2 children per woman of childbearing age [ 6 ] (the number is slightly greater than 2 because ...
A 2023 map of countries by fertility rate. Blue indicates negative fertility rates. Red indicates positive rates. The total fertility rate (TFR) of a population is the average number of children that are born to a woman over her lifetime, if they were to experience the exact current age-specific fertility rates (ASFRs) through their lifetime, and they were to live from birth until the end of ...
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).
Europe is one of the major geographic regions expected to decline in population in the coming years. Europe's population is forecast to decline by nearly 70 million people by 2050, [1] as the total fertility rate has remained perpetually below the replacement rate. [2] (Further information: Sub-replacement fertility and Population decline)
As of 2009, the average birth rate (unclear whether this is the weighted average rate per country [with each country getting a weight of 1], or the unweighted average of the entire world population) for the whole world is 19.95 per year per 1000 total population, a 0.48% decline from 2003's world birth rate of 20.43 per 1000 total population.
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 ...