Awide bottom on a population pyramid suggests a country is in the stage of the demographic transition.

It suggests a country is in the "Second" stage of the demographic transition.

Stage 2 of the Demographic Transition Model (DTM) is portrayed by a quick decrease in a nation's death rate while the birth rate stays high. In that capacity, the aggregate populace of a nation in Stage 2 will rise since births outnumber deaths, not on account of the birth rate is rising.