Question

Suggest a reason for the sudden change between 1960 and 1980. ​

Answer 1

Answer:

Explanation:

The reduction in mortality, unaccompanied by a reduction in fertility, had a simple and predictable outcome: accelerating population growth. By 1960 many developing countries had rates of increase as high as 3 percent a year, exceeding by two- or threefold the highest rates ever experienced by European populations