Access to sanitation, potable water, the public health and food system, in addition to the drop in the number of wars and advances in medicine and the pharmaceutical industry are the main factors for increasing the longevity of life in the world. That said, the population grows progressively, either from an increase in the fertility rate or from a decrease in mortality. This Tuesday, the 15th, it was announced that we reached the milestone of 8 billion inhabitants.
Read more: World population will reach 8 billion and India will be the most populous country in 2023
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8 billion people on Earth
Just 11 years after reaching the 7 billion milestone, the United Nations (UN) has claimed that the planet is now home to 8 billion people. This interval seems very short, but the tendency is for this not to happen again. Graphs suggest that the world's population will slow its growth and, therefore, the Earth will support only about 10.4 billion people in 2080. Find out what justifies this trend.
Birth rate is lowest since 1950
Although the population in the world is increasing progressively, this seems to be more related to the decrease in the mortality rate. Developed countries are already suffering from an aging population, after all, couples are having few or no children.
For this reason, many governments are already creating policies to receive young foreigners or to stimulate the birth rate, since an aging population can cause problems in social security revenue, in addition to overloading the health system and tax collection in general, in addition to harming the economy due to the lack of labor.
India vs China predictions
According to projections made by the UN, India will overtake China next year, becoming even more populous. Currently the country's numbers are around 1.393 billion people. China already has 1.412 billion.
Current panorama and world projection
Life expectancy increased by nearly 9 years between 1990 and 2019. Currently, according to the UN, the average expectation is 72 years, however this projection is not a reality for poor countries suffering from the HIV epidemic, high levels of infant mortality and wars.
In 2021, due to the pandemic of Covid-19, life expectancy dropped to 71 years. The average is expected to be 77 years old in 2050. The world population is also expected to reach 10.4 billion people in 2080 alone, and remain at this level until 2100. This is due to the decrease in the number of children per family.
