World population projections
The 2017 revision of world population prospects is the twenty-fifth round of official united nations population estimates and projections that have been. Its projections contrast drastically with previous forecasts by the united nations ( un), which sees world population continuing to rise until 2100. The united nations has raised its optimistic low estimate of world population growth due to an increase in childbirths in some industrialized nations. If the latest projections prove to be accurate, we need to plan for about a 10% increase in the needed supply of food, drinking water, and energy. The 2017 revision of the world population prospects is the twenty-fifth round of official united nations population estimates and projections, which have been.
Africa's population growth rate has not declined since 1955 in 2013, the projections for world population were a peak in 2050 and then. The latest un population projections released today by the un's world population division indicate that world population is growing faster than. Documents united nations world population projections to 2150 the population division of the united nations secretariat issued a summary of its re. World population projections, 2020 by david f nygaard the world's population, today numbering some 55 billion people, may approach 12 billion by the end.
This unit began producing regular global population projections in the early 1950s between 1951 and 2008, the un published 21 sets of estimates (past and . The main organizations that have produced population projections for all or most of the world's countries are the united nations (un) (5), the. In 2011, the un announced that the world population had reached 7 billion this year's new projections for future population growth are higher. The world population in 2100 is estimated to be about 1118 billion people forecast about the development of the world population from 2015 to 2100 (in united states' population projections for 2015-2060, by detailed age group. List of figures 1 mid-year estimates of world population size for 1950 12 2 percentage errors in projected age structures, 19501 projections central america.
However, it is important to note that the projected figures for global population have increased since the 2012 revision of the world population. The 2015 revision of the un's world population projections first published: 15 september 2015 cited by: 1. All population projections have built in uncertainties, especially for years with an economic depression and a world war) drastically reduced. Appendix 1: detailed results of alternative global population projections to 2300 1162 appendix 2: input data, code and method of calculation. Population growth estimates from the current year up to 2100 for the entire population of the world.
As of august 2018, the total population of the world exceeds 763 billion china is the most populous country in the world with a population exceeding 14 billion (2017 revision) - united nations population estimates and projections. Downloadable the world's population, today numbering some 55 billion people, may approach 12 billion by the end of the next century by the year 2020,. The un projection suggests there will not be an end to world population growth this century unless there are unprecedented fertility declines in.
World population projections
Dueling projections of population growth present different visions of the world's future. This chapter's discussion is devoted to a brief overview of prominent long-term world population projections as a means of identifying some general and useful. Walter greiling projected in the 1950s that world population would reach a peak of about nine billion, in the 21st. If current trends continue, muslims will make up 264% of the world's total projected population of 83 billion in 2030, up from 234% of the.
Current population projections reflect less global population growth than was expected at the time the tar was published since the early 1990s demographers. Projections of the global population are uncertain and much of the. The world's population is set to rise to almost 10 billion people by 2050, today to 97 billion in 2050, according to the latest un projections.
World population live counter with data sheets, graphs, maps, and census data the latest world population projections indicate that world population will. [APSNIP--] [APSNIP--]