Population Composition| Chapter-3 | Human geography| Class12 | NCERT|

CHAPTER-3

POPULATION COMPOSITION

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Sex composition

The
ratio between the number of women and men in
the population is called the Sex Ratio. In some
countries it is calculated by using the formula:

Male/female×1000

In India, the sex ratio is worked out using the
formula:

Female/male×1000

•The sex ratio is an important information
about the status of women in a country.

Age Structure

Age structure represents the number of people
of different age groups. This is an important
indicator of population composition

Age-Sex Pyramid

The age-sex structure of a population refers
to the number of females and males in
different age groups. A population pyramid
is used to show the age-sex structure of the
population

• Expanding population

• Constant population

• Declining population

Rural-Urban composition

The criteria for differentiating rural and
urban population varies from country to country.
In general terms rural areas are those where
people are engaged in primary activities and urban
areas are those when majority of the working
population is engaged in non-primary activities.

Literacy

Proportion of literate population of a country
in an indicator of its socio-economic
development as it reveals the standard of living

Occupational Structure

The working population (i.e. women and men
of the age group – 15 to 59) take part in various
occupations

Which one of the following countries has the highest sex ratio in the world?
(a) Latvia
(b) United Arab Emirates 

(c) Japan

(d) France

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