POPULATION REVISION

GLOBAL POPULATION

BIRTH RATE - the number of live births per 1000 in a given year

DEATH RATE - the number of deaths per 1000 in agiven year

INFANT MORATLITY RATE- the number of babies who died under 1 per 100 births per year

NATURAL INCREASE - when birth rate exceeds death rate

NATURAL DECREASE - when death rate exceeds birth rate

Global population increased slowly until mid 1900s when it started to grow exponentially due to declining death rates.

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DEMOGRAPHIC TRANSITION MODEL

POPULATION PYRAMIDS - show the age and gender of a countries population.

(http://geographyfieldwork.com/Pop1.gif)

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POPULATION RESOURCE RELATIONSHIP

OVERPOPULATION - the population is greater than the amount of resources available.

UNDERPOPULATION - there are more resources than people

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POPULATION POLICIES

ANTI-NATAL POLICIES - aim to reduce the birth rate within a country as they are experiencing rapid population growth.

PRO-NATAL POLICIES - aim to increase the birth rate within a country.

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MIGRATION

MIGRATION - the permanent movement from one area to another area.

PUSH FACTORS - the negatives which persuade someone to leave their home nation.

PULL FACTORS - the positives which attract someone to their host country.

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