Global Population To Shrink This Century As Birth Rates Fall
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A new report by the United Nations (UN) has revealed that the world’s population is expected to decline this century due to a decline in birth rates. According to the UN’s Department of Economic and Social Affairs, the global population is projected to peak around 9.7 billion in 2064 and then decline to 9.3 billion by 2100.
The report highlights that the rate of population growth has been slowing down in recent years, and this trend is expected to continue. The global population grew by 1.09% per year from 2010 to 2020, down from 1.13% per year from 1990 to 2000.
The decline in birth rates is attributed to a combination of factors, including lower fertility rates, increased access to education, and improved access to family planning services. In many countries, women are having fewer children, and this trend is expected to continue in the coming years.
According to the UN, the total fertility rate (TFR) has declined significantly in recent decades. The TFR is the average number of children a woman would have in her lifetime, based on the current fertility rate. In the 1960s, the global TFR was around 5.5 children per woman. Today, it has fallen to 2.4 children per woman, and is expected to continue to decline to 2.1 children per woman by 2050.
The decline in population growth is expected to have significant implications for the global economy, society, and the environment. For example, the aging population will put pressure on pension systems, healthcare systems, and social security programs. The decline in population growth will also lead to changes in the labor market, as there will be fewer workers to support the aging population.
The report also highlights that the decline in population growth is not uniform across all regions. Sub-Saharan Africa, for example, is expected to continue to experience high population growth rates, with the population projected to more than double to 2.5 billion by 2050. In contrast, many countries in Eastern Asia, including China and Japan, are experiencing rapid population decline due to low fertility rates and aging populations.
The projections also suggest that the decline in population growth will have significant implications for the environment. Climate change, for example, will have a significant impact on the world’s population, as rising temperatures and sea-level rise will force people to migrate to new areas, leading to changes in population distribution and migration patterns.
The report highlights the need for policymakers to take action to address the challenges posed by the decline in population growth. This includes implementing policies to support aging populations, such as increasing the retirement age and increasing the tax base to support social security programs. Additionally, policymakers will need to address the challenges posed by the decline in population growth, including the impact on the labor market and the need to adapt to changing migration patterns.
In conclusion, the report by the UN highlights the significant changes that are taking place in the global population, including a decline in birth rates and a decline in population growth. These changes will have significant implications for the global economy, society, and the environment, and will require policymakers to take action to address the challenges posed by the decline in population growth.