Demographic transition refers to......?

the process of a society transitioning from high birth and death rates to low birth and death rates, typically as a result of improved healthcare, education, and economic development. This transition usually leads to a decrease in population growth and changes in the age distribution of the population.

The Demographic Transition Model (DTM) is a conceptual framework that describes the long-term process of population change in a society. It was first proposed by the American demographer Warren Thompson in the 1920s. The DTM has four main stages:

1. Stage 1: High birth rates and high death rates lead to a slowly growing population.
2. Stage 2: Birth rates remain high, but death rates begin to decline due to improvements in healthcare and nutrition. This leads to a rapid population growth.
3. Stage 3: Birth rates begin to decline as a result of economic development, urbanization, and increased access to contraception. Death rates continue to decline, but at a slower pace. The population growth rate begins to slow.
4. Stage 4: Birth rates and death rates are both low, leading to a stable population size.