Contemporary World

1. GLOBAL DEMOGRAPHY
Claire Alcober
BSN-2A

3. WHAT IS GLOBAL DEMOGRAPHY?

4. GLOBAL DEMOGRAPHY
Demography refers to the study of human
populations and the process through
which populations change in respect to
environment, geography, and climate.

5. HOW MANY PEOPLE LIVE IN THE
WORLD 2020?
7.8 billion
as of February 2020

6. GLOBAL DEMOGRAPHY
jointly produce population stability or change
Births deaths migration

7. GLOBAL DEMOGRAPHY
• A central component of societal contexts and social
change
• It is very useful for understanding social and economic
problems and identifying potential solution
• YOUNG POPULATION is mostly affected by the societal
change.
• DEMOGRAPHY allows us to imagine and re-imagine the
future.

8. REPLACEMENT FERTILITY LEVEL:
BATHTUB CONCEPT
Replacement Fertility Level is when the population replaces itself 1:1
from one generation to the next.

10. THE RISE OF GLOBAL POPULATION IS
ALARMING. WHY?
• Resources are decreasing
• Land masses are being filled up by infrastructures such as houses
• Infectious diseases starts to spread from point A to point B.
• Coronavirus
• Economy of overpopulated countries will fall.
• There will be a rise of illiterate people due to poverty
• The elderly population will rise

11. WHAT DO DEMOGRAPHERS DO?

12. DEMOGRAPHERS
• Study populations to determine their size and
composition and to predict how they are likely to
change in years to come
• They make observations about the causes and
effects of population changes, such as
increases in birth rates or immigration.