Population Growth
World population growth and its effects
World Population Growth
The world population has grown rapidly — from 1 billion (1800) to over 8 billion today. Growth is fastest in developing countries. Rapid growth puts pressure on resources, land, water and services.
Example
Population Growth Factors
Population grows when: birth rate > death rate
Africa's population is growing fastest due to:
• High birth rates
• Improved healthcare (lower death rates)
• Young population (many people of childbearing age)
Note
Remember
Rapid growth strains resources. Countries manage growth through education, family planning and economic development. SA's growth is moderate compared to other African countries. HIV/AIDS has significantly affected SA's population.
Key Vocabulary
Birth rateNumber of babies born per 1000 people per year
Death rateNumber of deaths per 1000 people per year
Population growthIncrease in the number of people in an area
Developing countryA country working to improve its economy
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Birth rate
Speed: