Final answer:
The population of developed countries has shown a decline in growth since 1950 due to various socioeconomic factors.
Explanation:
The population of developed countries has changed significantly since 1950. In the mid-twentieth century, birth rates in developed countries started declining due to various factors such as changing economic conditions and women pursuing education and careers, leading to a slowing of population growth. Some developed countries like Russia and Japan are even experiencing a decline in population. This phenomenon is known as the demographic transition.
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