Demographers have added a fifth stage to the classic four-stage transition theory.
Namely, when birth rates fall below replacement and death rates exceed birth rates,
a country can be said to have entered Stage 5. As mentioned in the course, all of
these countries are now considered to be at Stage 5 except
a) Argentina.
b) Greece.
c) Germany.
d) Portugal.

The epidemiologic transition describes shifts in population age distributions, mortality, fertility, life expectancy, and death causes, explained further.

What are the four stages of the epidemiological transformation process?

The epidemiologic transition describes shifts in population age distributions, mortality, fertility, life expectancy, and death causes.

Except for Argentina, these countries are now regarded to be in Stage 5.

Learn more about the classic four-stage transition theory here:

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