Stable and stationary population are more confusing ...A little effort to make understand it

1. Presentation on Stable and
Stationary Population
Presented By
Aminul Islam
ID:14115570
Department of Population Science
and Human Resource Development,
University of Rajshahi
E-mail:amin_pshrd@yahoo.com

2. Contents
Defintion of Population
Stable and Stationary Population
Calculation of Person-years lived
Conclusion

3. POPULATION
According to statistician population means collection of
items,for example,balls in an urn.
Demographers use the term to denote the collection of
persons alive at a specific point in time who meet certain
criteria.
Legal/Illegal residents
Criteria includes Race/Ethnicity
Sex

4. STABLE POPULATION
StablePopulation Constant Birth
Constant Death
Growth Rate
Constant
No Migration

5. STATIONARY POPULATION
StationaryPopulation Constant Birth
Constant Death
Zero Growth Rate
BIRTH=DEATH
No Migration

6. NOT ALL STABLE POPULATION ARE
STATIONARY BUT STATIONARY
POPULATION ALWAYS TERMED AS STABLE
POPULATION.
HOW?????????

7. Stationary Population is a type of Stable Population
StablePopulation
Constant Birth
Constant Death
Growth Rate
Constant
No Migration
WHEN
CONSTANT
BIRTH=CONSTA
NT DEATH AND
GROWTH RATE
BECOMES ZERO
STATIONARY
POPULATION

8. THANKS FOR
PATIENCE HEARING