Women now have fewer children than they did 70 years ago, but populations are still on the rise in more than half of the countries, data revealed today.
A huge study has collected statistics on countries where women have the most children in the world.
Cyprus has the lowest birth rate, with an average of one child's women each, while mothers in Niger in Africa give birth to seven children on average.
The United Kingdom, the United States and Australia are among the 91 countries in which women have fewer than two children each, with average rates of 1.7, 1.8 and 1.9 each, respectively.
Experts say some nations are seeing the "booms" of the child while others are going into "baby bust", indicating education and employment to bring down birth rates.
The population of the earth has increased by about 87 million people every year since 2007 and only 14% of those people – one in seven – were born in high-income countries. The countries of Africa, in addition to Afghanistan, constitute the entire top 10 of the countries with the highest birth rates
"These statistics represent both a" baby boom "for some nations and a" baby bust "for others," said Dr. Christopher Murray, of the University of Washington.
"Women's low fertility rates clearly reflect not only the access and availability of reproductive health services.
"But many women also choose to delay or give up childbirth, as well as having more opportunities for education and employment".
The research included in the annual Global Burden of Disease study showed the results: research examines births, diseases and deaths worldwide.
The huge in-depth report, which is thousands of pages long, offers a snapshot of the human population in countries around the world for the year 2017.
The growth of the world population has increased in recent years, according to the study published in The Lancet.
Between 1997 and 2007 there was an increase of 81.5 million people each year, while between 2007 and 2017 this accelerated up to 87.2 million people a year.
10 COUNTRIES WITH THE HIGHEST FERTILITY RATES
- Niger (7.1 children per mother)
- Chad (6.7)
- Somalia (6.1)
- Mali (6.0)
- Afghanistan (6.0)
- South Sudan (5.9)
- Burkina Faso (5.4)
- Burundi (5.3)
- Uganda (5.2)
- Dem. Republic of the Congo (5.1)
- Angola (5.1)
- Nigeria (5.1)
And most of these people are born in poor countries: only 14% of people in the world live in a high-income country like in Western Europe or North America.
In addition to Niger, Mali, Chad and South Sudan, India, Pakistan, Papua New Guinea and Haiti were among 104 countries where birth rates are high enough to drive the population boom.
Meanwhile, women in richer and more developed countries tend to have fewer children – the mothers of Singapore, Norway and South Korea are all among the countries where the average birth rate is less than two children per woman.
And populations actually declined between 2010 and 2017 in countries like Georgia, Poland, Romania, Greece, Spain, Portugal, Cuba and Japan.
"Even if total fertility rates are decreasing," added Dr. Murray, "the global population continues to grow with the decline in mortality rates and due to the momentum of the population in previous decades."
The countries with the highest population are China and India, which both have more than one billion people each.
And about half of the entire population of the Earth lives in only countries: China, India, the United States, Indonesia, Pakistan and Brazil contain over 3.8 billion people.
Death counts in thousands because of the famine between 1980-2017. Dark blue is less than 1,000, light blue is less than 5,000, yellow is less than 50,000, orange is less than 500,000 and red at over 500,000
Death counts because of the epidemic, including malaria, ebola and diarrheal diseases, between 1980 and 2007. Dark blue is less than 1,000, light blue is less than 5,000, yellow is less than 50,000, orange at less than 500,000 and red at over 500,000
Death counts because of natural disasters, natural disasters and transport accidents, from 1980 to 2017. Dark blue is less than 1,000, light blue is less than 5,000, yellow is less than 50,000, orange to less than 500,000 and red to over 500,000
Death counts because of violence, such as terrorism and interpersonal violence, between 1980-2017. Dark blue is less than 1,000, light blue is less than 5,000, yellow is less than 50,000, orange is less than 500,000 and red at over 500,000
Higher death rates per country for the main causes of death
Heart disease: Uzbekistan, Ukraine and Azerbaijan
Neonatal disorders: Central African Republic, Pakistan and Mali
Stroke: Marshall Islands, Papua New Guinea and Montenegro
Respiratory infections: Central African Republic, Solomon Islands and Chad
Diseases related to diarrhea: Central African Republic, Chad and South Sudan
Deaths related to traffic accidents: Central African Republic, Somalia and United Arab Emirates
Chronic obstructive pulmonary disease (COPD): Papua New Guinea, North Korea and India
The lowest death rates per country for the main causes of death
Heart disease: South Korea, Japan and France
Neonatal disorders: Singapore, Japan and Iceland
Stroke: Switzerland, France and Singapore
Respiratory infections: Austria, Finland and Macedonia
Diseases related to diarrhea: Montenegro, Belarus and Estonia
Deaths related to traffic accidents: Switzerland, Singapore and Sweden
Chronic obstructive pulmonary disease (COPD): Kuwait, Iraq and Japan