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The national 1 July, mid-year population estimates (usually based on past national censuses) supplied in these tables are given in thousands. The retrospective figures use the present-day names and world political division: for example, the table gives data for each of the 15 republics of the former Soviet Union, as if they had already been independent in 1950.
The 2022 projections from the United Nations Population Division (chart #1) show that annual world population growth peaked at 2.3% per year in 1963, has since dropped to 0.9% in 2023, equivalent to about 74 million people each year, and could drop even further to minus 0.1% by 2100. [4]
According to some researchers, even rapid global adoption of a one-child policy would result in a world population exceeding 8 billion in 2050, and in a scenario involving catastrophic mass death of 2 billion people, world population would exceed 8 billion by 2100.
Population projections are used by businesses, governments, and other program planners to assess future demand for consumer products, basic resources such as energy, water, and food, as well as services such as childcare, education, and care for the elderly. [2] Governments and organizations make population projections for their own countries.
This is a list of population milestones by country (and year first reached). Only existing countries are included, not former countries. Only existing countries are included, not former countries. 20 million milestone
In 2015, India's population was predicted to reach 1.7 billion by 2050. [ 17 ] [ 18 ] In 2017 its population growth rate was 0.98%, ranking 112th in the world; in contrast, from 1972 to 1983, India's population grew by an annual rate of 2.3%.
Absolute increase in global human population per year [1] Population growth is the increase in the number of people in a population or dispersed group. The global population has grown from 1 billion in 1800 to 8.2 billion in 2025. [2] Actual global human population growth amounts to around 70 million annually, or 0.85% per year.
The median age of the world's population is estimated to be 31 years in 2020, [9] and is expected to rise to 37.9 years by 2050. [73] According to the World Health Organization, the global average life expectancy is 73.3 years as of 2020, with women living an average of 75.9 years and men approximately 70.8 years. [74]