Demography .

1. GOOD AFTERNON

3. Lesion plan
on
demographic cycle
PRESENTED BY :-
Ms. Jyotashri S. Atre
M.Sc ( N) 1st Year
K.N.C. Sewagram

4. INTRODUCTION
Demography, as understood today, is a
scientific study of human population. It focuses its
attention on three readily observable human
phenomenon:
a) Changes in population size
b) The composition of the population
c) The distribution of population in space

5. DEFINITION
Demography is defined as the
scientific study of human population
which includes the study of changes in
population size, composition and its
distribution.

6. ELEMENT OF DEMOGRAPHY
Demography which include
the changes in ;
Size :
Increase Or Decrease
Composition :
Sex And Age Group
Distribution :
Territory

7. DEMOGRAPHIC PROCESS
Demographic
process
Fertility
Mortality
MarriageMigration
Social
Mobility

8. TYPES OF DEMOGRAPHY

9. DEMOGRAPHIC CYCLE
There is demographic cycle of 5 stages
through which a nation passes:
First stage: ( high
stationary)
Second stage: (Early
Expanding)
Third stage: (late
expanding)

10. Fourth stage: (low
stationary)
Fifth stage:
(decline)

12. CONCLUSION
Community medicine is
vitally concerned with population, because health
in a group depends upon the dynamic relationship
between the numbers of people, the space which
they occupy and the skill that they have acquired in
providing for their needs. The main sources of
demographic statistic in India are population
censuses, National Sample Surveys, registration of
vital events, and demographic study.

15. ASSIGNMENT
1. Explain the demographic cycle ?