Population Pyramid and Demographic Transition Model
Laos is in stage two, and this stage leads to a fall in death rates and an increase in population.
The decline in the death rate is due initially to a couple of factors: first, improvements in the food supply brought about by higher yields in agricultural practices and better transportation prevent death due to starvation. Agricultural improvements included crop rotation, selective breeding, and seed drill technology. Significant improvements in public health reduce mortality, particularly in childhood. These are not so much medical breakthroughs, as they are improvements in water supply, sewerage, food handling, and general personal hygiene following from growing scientific knowledge of the causes of disease and the improved education and social status of mothers. A consequence of the decline in mortality in Stage Two is an increasingly rapid rise in population growth, and the gap between deaths and births grows wider.
The decline in the death rate is due initially to a couple of factors: first, improvements in the food supply brought about by higher yields in agricultural practices and better transportation prevent death due to starvation. Agricultural improvements included crop rotation, selective breeding, and seed drill technology. Significant improvements in public health reduce mortality, particularly in childhood. These are not so much medical breakthroughs, as they are improvements in water supply, sewerage, food handling, and general personal hygiene following from growing scientific knowledge of the causes of disease and the improved education and social status of mothers. A consequence of the decline in mortality in Stage Two is an increasingly rapid rise in population growth, and the gap between deaths and births grows wider.