population studies Archives - Free ZIMSEC & Cambridge Revision Notes

Advantages and Disadvantages of a Population Census

By garikaib|2025-02-12T08:58:29+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

A census in progress. Image credit timeslive.co.za ZIMSEC O Level Geography Notes: Population:Advantages and Disadvantages of a Population Census

Like most things a population census has both its merits and demirits

Advantages

It is the most accurate count of a country’s population on which official planning […]

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Population and health

By Rachel Majaya|2025-02-12T09:28:22+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Unsafe water is a health hazard. Image credit reuters.com

ZIMSEC O Level Geography Notes:Population and resources:Population and health

Important sources of a country’s health and quality of life are water supply and sanitation.
97% of the world’s water resources is salty water mainly in the seas and oceans.
Of the remaining 3%, […]

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Factors affecting population distribution/density

By garikaib|2025-02-12T09:22:26+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Dubai is a thriving settlement in the midst of the desert. image credit luxatic.com ZIMSEC O Level Geography Notes: Population:Factors affecting population distribution/density

Physical/Natural factors

Climate

A lot of people prefer to live in areas of moderate […]

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Terms used in Population studies

By Rachel Majaya|2025-02-12T09:29:08+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

ZIMSEC O Level Geography Notes:Population Studies:Terms used in Population studies

Birth Rate (or crude birth rate) is the number of live births per 1,000 of the population in a given year. (Not to be confused with the growth rate).
Brain Drain is the emigration of a significant proportion of a country’s highly […]

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Causes of Rapid Population change and the effects of rapid population change

By Rachel Majaya|2025-02-12T09:06:15+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Hopely Farm settlement

ZIMSEC O Level Geography Notes: Population: Causes of Rapid Population change and the effects of rapid population change

Improvement in the basic health care which has a lowered the death rate
Cultural factors for example, the desire to have a male child factor in the patriarchal societies
Need for […]

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Common Killer Diseases in the Tropics

By garikaib|2025-02-12T09:29:15+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

A map showing the tropics. Image credit MediaWiki

ZIMSEC O Level Geography Notes:Population Studies:Common Killer Diseases in the Tropics

Zimbabwe lies in the Tropics
This is a geographic region found between 0° and 23º North and South of the equator
Zimbabwe is of course found on the South side of the equator

[…]

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Population Change

By Rachel Majaya|2025-02-12T09:06:53+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Health care improvements affect population change. Image credit ibtimes.co.uk

ZIMSEC O Level Geography Notes: Population: Population Change

The difference between the size of the population to the end and the beginning of a period.
This change is developmental, that is, it has stages through which a population passes
This theory can be […]

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Common Killer diseases in the Tropics: Bilharzia

By Rachel Majaya|2025-02-12T09:30:10+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Bilharzia is a waterborne disease. Image credit lshtm.ac.uk

ZIMSEC O Level Geography Notes:Common Killer diseases in the Tropics: Bilharzia

Is also known as schistosomiasis.
It is another serious infection and wide spread in Africa and other tropical and sub-tropical regions.
The disease is caused by a flat worm that lives in various […]

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Population structure
Gallery
Population structure

Notes, O Level Geography, Ordinary Level Notes

Population structure

By Rachel Majaya|2025-02-12T09:07:55+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

ZIMSEC O Level Geography Notes: Population: Population structure

The population structure of a country describes the population’s age, sex and the period males and females are expected to live
Population structure is the composition of a given population, which is broken down into categories such as age and gender.
This information can be shown on a population […]

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