What does the DTM show?
Changes over time in the population of a country
The total population responds to variations in…
Natural change
DTM - Stage 1
DTM - Stage 2
DTM - Stage 3
DTM - Stage 4
DTM - Stage 5
Stage 1 - Example
Tribes
Stage 2 - Example
Afghanistan, Iran, Iraq, Pakistan & many poor countries
Stage 3 - Example
Nigeria, NEE experiencing economic growth
Stage 4 - Example
USA, one of world’s most developed - good health care
Stage 5 - Example
Japan and Germany - well developed countries with ageing population