Monday, May 6, 2019

Demographic Transition Assignment Example | Topics and Well Written Essays - 1000 words

Demographic Transition - Assignment guinea pigIt fin whollyy stabilizes in the fourth stage of the demographic transition, as a endpoint of depression twain nascency and expiry aims. Consequently, most of the developing countries are in this stage. Introduction They are several theories and modelings describing community dynamics. One of these models is demographic Transition model. It refers to the change of high birth judge and closing rates to low birth rates and devastation rates, as a country grows from a pre-industrial to an industrialise economic system. It focuses on the changes in the population from unstable to where it stabilizes. Demographic Transition refers to the change from high birth rates and shoemakers last rates to low birth rates and death rates, as a country grows from a pre-industrial to an change economic system. It is normally represented by a demographic transition model. This model gives a comment of population change over time. Ithas a basi s on an interpretation by the American demographer Warren Thompson that begun in 1929, of the observed transitions, or changes, in birth and death rates in industrialized societies throughout the past two hundred years or so (Caldwell,et al, 2006). The demographic transition model has four stages which are commonly classified as pre-modern, urbanizing/industrializing, mature industrial and post industrial. Stage cardinal is related with pre modern times, it also seen as the pre-industrial society. It is characterized by a balance between birth and death rates that is high birth rates and death rates that are roughly in balance. It is believed that all human population experienced this until late 18thcentury when Western Europe broke the balance. Since both birth and death rates were roughly equal and high, population growth in this stage is very slow. Actually, the growth rate we less than 0.05% for over 10,000years since Agricultural Revolution (Caldwell,et al, 2006). This charact eristic gave this stage a name High unmoving Stage of population growth. The high death rate in this stage is as a result of occasional food shortages and inadequate knowledge of disease prevention and cure. On the other end, high birth rates were as a result of high fertility rates. This stage is refers to as the urbanizing or industrializing stage. Here, population increases as there is a fall in death rate while birth rates remain the high. In Europe, the changes leading to this stage was the 18th century Agricultural Revolution, were initially slow. However, the fall in death rates in developing countries in the 20th century tended to be substantially faster. The death rate decline is due initially to two factors higher agricultural practice and better pane which has brought forth improvement food supply, thus prevented deaths brought about by lack of water and starvation. These agricultural improvements take on selective breeding, crop rotation and seed drill technology. Ano ther factor is the improvement of public wellness this reduces mortality especially in childhood. These improvements include improvement in sewerage, water supply, general personal hygienics and food handling. Apart from lo death rate the stage is characterized by changing age structure of the population. The trey stage, move the population towards stability though birth rate decline. There are various

No comments:

Post a Comment

Note: Only a member of this blog may post a comment.