How do you understand that the shift in population growth began with a decline in mortality rates

The idea used in China is that the economy determines politics and other superstructures.

So the population growth transition is first caused by an increase in productivity levels, such as living standards, medical standards, education levels, etc., the mortality rate is the first to decline caused by the increase; with the increase in productivity levels, education levels, and then there will be a subsequent change in the people's mindset, the change in the mindset will tend to be fewer and better, or foreign births, or no births of the decline in these birth rates. The above is the reason for the transformation of the traditional type of growth, and the transformation of the primitive type of growth is also due to the stability of the country, the reduction of wars, etc. caused by the decline in mortality rate began to change.

So the population growth transition started with a decline in the mortality rate.

So the population growth transition started with a decline in mortality rate.