Global Population

• The term "World Population" refers to the human population of the world
• The United Nations Population Funds announce significant statistics

  2022
• Countries accounting for more than half of the projected total population increase by 2050

  • India
  • Nigeria
  • Pakistan
  • the Democratic Republic of the Congo
  • Ethiopia
  • Tanzania
  • the Philippines
  • Egypt
• India is anticipated to surpass China as the world's most populous nation next year (2023)
• 61 countries are projected to experience a population increase
• One of the obstacles to reaching the Sustainable Development Goals and enhancing the population's education and health is rapid population increase
• The UN's Least Developed Countries are expected to have an increase in population from just over 1 billion to 1.76 billion by 2050, largely due to poverty
• Sub-Saharan Africa will contribute significantly to the population growth due to high fertility rates
• Increases in healthcare access, rising life expectancy, and falling child mortality contribute to a large number of people entering their childbearing years in Sub-Saharan Africa
• Wealthier nations have higher rates of consumption, resource use, and carbon emissions despite the faster rate of population increase in the Global South
• Each individual's environmental impact in rich countries is far bigger than in poor countries
• The replacement rate for a stable population is 2.1 for the total fertility rate (TFR)
• The estimated TFR for the entire world is just under 2.5, with sub-Saharan Africa having the highest rate at 4.6
• Total fertility rate shows how the size of families is evolving
• Global fertility is predicted to decline from 2.3 to 2.1 children per woman by 2050
• Life expectancy at birth is predicted to increase globally
• The substantial rise in the world population since 2022 has been primarily caused by an increase in the proportion of people who reach reproductive age, a steady rise in the average longevity, a rise in urbanization, and an acceleration in migration
• Future generations will be significantly affected by changes in fertility rates, longevity, urbanization, and migration
• Key variables impacting population increase include fertility rates, increasing longevity, urbanization, and migration
• Global fertility rates


  • Predicted to decline from 2.3 to 2.1 children per woman by 2050, impacting future population growth significantly
• Increasing longevity


  • Life expectancy at birth predicted to rise from 72.8 years in 2019 to 77.2 years in 2050 globally, with significant regional differences
• International migration


  • Births and deaths have a greater impact on population change than births and international migration. Migration can significantly affect population size in nations that send or receive substantial numbers of economic migrants and refugees
• Between 2010 and 2021, there will be a net inflow of over one million migrants into seventeen nations, and a net departure of over one million migrants from ten countries
• According to the International Organization for Migration of the United Nations, there were 281 million international migrants in 2020, which means that 3.6% of the world's population did not reside in their country of birth
• Europe and Asia had the highest number of international migrants in 2020 with 86.7 million and 85.6 million respectively. Over time, the migrant population in these regions has increased steadily since 2005. Latin America and the Caribbean region have the fastest-growing international migrant population, which has approximately doubled since 2005
• In 2020, the U.S. had 51 million migrants, the largest population in the world. Germany and Saudi Arabia follow with about 15.8 million and 13.5 million migrants, respectively
• India is the top country of origin for international migrants with 17.9 million in 2020, followed by Mexico and Russia. The largest Indian migrant populations are in the United Arab Emirates, the U.S., and Saudi Arabia
• Displaced people leave their homes due to conflict, violence, or disasters, including refugees, asylum seekers, and internally displaced persons. The number of displaced persons increased from 84.8 million in 2019 to 89.4 million in 2020, with 1.1% of the world's population being displaced. In 2020, 34% of displaced people, or 30.5 million, were living as refugees or asylum seekers outside their birth countries, while 55 million were internally displaced in their birth countries