Chapter 7

Question 1

Demography

Answer 1

s the science that deals with
population characteristics or distribution

Question 2

Demography Focus on 3 points:

Answer 2

Number of people in an area = total population
count
2. Factors affecting population size & and structure
3. Age and Sex structure of the population

Question 3

. Total Population CountFactors increasing population size  (Census)

Answer 3

Accurate method for determining the size and
characteristics of a population

Question 5

Factors increasing population size 

Answer 5

 Births (natural cause)
 Internal migration = immigration
(people moving to a country

Question 6

Factors decreasing population size 

Answer 6

 Deaths (natural cause)
 External migration = emigration
(people leaving a country)

Question 7

 The factors determining population size are
changed continuously so, methods exist for
estimating the size of the population between the
census years as:

Answer 7

1. Arithmetical
   method
   of
   population
   estimation
2. Geometric method of population estimation

Question 8

1. Arithmetical
   method
   of
   population
   estimation

Answer 8

Population at the start of a year
+
Registered births during this year
–
Registered deaths during this year
=
Population at the start of next year

Question 9

Arthimatric metod suitable for
Unsuitable for

Answer 9

• Suitable for: closed area as small village
• Not suitable for: opened area which has services as
hospital as births & deaths of people coming to it
from other places will be recorded so, estimated
population will be not accurate.

Question 10

2. Geometric
   method
   of
   population
   estimation
   Birth rate