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There has been tremendous growth in the size of the world’s population in the last half century. Global population was around 3 billion in 1960. By 1987, in less than three decades, it had surpassed 5 billion and there were around 7.6 billion people in the world in 2018.
This growth varies greatly across regions. Since 1960, the largest relative growth has taken place in Sub-Saharan Africa where the population expanded from 227 million in 1960 to more than 1 billion in 2018—a nearly fivefold increase. The second largest growth over the period can be seen in Middle East and North Africa, where the population increased more than 4 times, from 105 million to 449 million.
It is projected that the world’s population will continue to grow and will reach nearly 10 billion by 2050. While in other regions growth will slow significantly, in Sub-Saharan Africa, the population is projected to double by 2050, an expansion of nearly 10 times relative to 1960, from 227 million to 2.2 billion./.../
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