Fertility rates cut in half since 1950 -- but the population is still growing

By Michael Nedelman, CNN

Updated 0945 GMT (1745 HKT) November 9, 2018

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A 2017 report by <a href="http://www.savethechildren.org/atf/cf/%7B9def2ebe-10ae-432c-9bd0-df91d2eba74a%7D/SAVETHECHILDREN_ENDOFCHILDHOOD_INDEX_2017_EASTAFRICA%20EDITION_LOWRES.PDF" target="_blank">Save the Children</a> ranked 172 countries from best to worst in an effort to explore the main reasons why childhood comes to an early end in certain places. Here are countries that ranked highest and lowest.<br /><br /><strong>Norway: </strong>A woman kisses her 4-month-old son in Oslo. Fewer than 0.3% of children die before the age of 5 in Norway.
Photos: The best and worst countries to be a child
A 2017 report by Save the Children ranked 172 countries from best to worst in an effort to explore the main reasons why childhood comes to an early end in certain places. Here are countries that ranked highest and lowest.

Norway: A woman kisses her 4-month-old son in Oslo. Fewer than 0.3% of children die before the age of 5 in Norway.
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<strong>Finland: </strong>A 2-year-old at her public day care in Helsinki. Only 2% of primary- and secondary-school-age children are out of school in Finland.
Photos: The best and worst countries to be a child
Finland: A 2-year-old at her public day care in Helsinki. Only 2% of primary- and secondary-school-age children are out of school in Finland.
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<strong>The Netherlands: </strong>A woman and her 2-hour-old baby in The Hague. The Netherlands has a child homicide rate of 0.3 deaths per 100,000 people 19 years old or younger.
Photos: The best and worst countries to be a child
The Netherlands: A woman and her 2-hour-old baby in The Hague. The Netherlands has a child homicide rate of 0.3 deaths per 100,000 people 19 years old or younger.
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<strong>Sweden:</strong> A child learns to ride a bike in Sweden, where nobody is forcibly displaced by conflict.
Photos: The best and worst countries to be a child
Sweden: A child learns to ride a bike in Sweden, where nobody is forcibly displaced by conflict.
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<strong>Niger:</strong> A baby with acute malnutrition drinks fresh, clean water in Agui. Here, 43% of children up to age 5 have stunted growth from malnourishment.
Photos: The best and worst countries to be a child
Niger: A baby with acute malnutrition drinks fresh, clean water in Agui. Here, 43% of children up to age 5 have stunted growth from malnourishment.
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<strong>Angola: </strong>Children collect plastic and cardboard among the trash in Luanda province. Here, more than 10% of children die before their 5th birthdays.