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A COUPLE – Rapid birth-rate growth in developing countries is boosting the global flowering of children, while women in dozens of richer countries do not give enough children to support the population, according to figures published on Friday.
A general overview of births, deaths, and illnesses, which estimated thousands of datasets in each country individually, also revealed that heart disease is currently the only major cause of death worldwide.
The Health Measurement and Evaluation Institute (IHME), funded by the White House and the Melinda Gates Foundation at Washington University, used more than 8,000 data sources, of which more than 600 are new, to gather one of the most specific types of global public health surveys.
Their sources were national studies, social media and open source material.
It was found that, although the world's population increased from 2.6 billion in 1950 to 7.6 billion last year, this increase in region and income was deeply uneven.
According to the IHME study, ninety-one nations, mainly in Europe and North America and South America, did not have enough children to maintain their current populations.
But in Africa and Asia, fertility rates continued to increase when the average woman in Niger was born seven children during her lifetime.
Ali Mokdad, Professor of Health Measurement at IHME, told AFP that education is the only important factor in determining the population.
"It depends on socio-economic factors, but it depends on women's education," he said. "The more women are educated, they spend more than a year in their schools, they delay pregnancy, and they will have fewer children."
IHME found that Cyprus was the poorest nation in the world, and the average woman gave birth only once in her life.
In contrast, women in Mali, Chad and Afghanistan have an average of more than six infants.
The United Nations predicts that, by the middle of the century, there will be more than 10 billion people on the planet world, broadly in line with IHME forecasts.
This raises the question of how many people our world can support, known as the "Capacity" of the Earth.
Makdad said that while the number of people in developing countries continues to rise, overall their economies are rising.
It usually affects fertility over time.
"The population in Asia and Africa is increasing and people are shifting from poverty to better income – unless there are wars or unrest," he said.
It is anticipated that countries will make a better economic price and there is a greater likelihood that fertility will decrease and decrease. "
Not only do we have billions more than 70 years ago, but we also live longer than ever before.
A study published in the The Lancet Medical Journal showed that men's average life expectancy has grown to 71 years in 48 years in 1950. Now women are expected to live up to 76 years, compared to 53 years in 1950.
Living longer causes one's health problems. creating a greater burden on our healthcare systems.
IHME said that heart disease is now the leading cause of death worldwide. Until recently, in 1990, neonatal disorders were the greatest killer, followed by lung disease and diarrhea.
Uzbekistan, Ukraine and Azerbaijan had the highest mortality rate from heart disease; Among the lowest were South Korea, Japan and France.
"You see less mortality from infectious diseases, because countries are getting richer, but also greater disability, because people live longer," said Mokdad.
He pointed out that although the number of infectious diseases, such as malaria and tuberculosis, has fallen significantly since 1990, new intruder killers have emerged.
"There are certain behaviors that lead to cardiovascular disease and cancer. Obesity is the number one – it grows every year, and our behavior contributes to it."
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