Describing Graphs -

• What is the main trend? Is it increasing, decreasing or staying about the same?
• Has the change been rapid or slow?
• Have changes occurred during specific times?
• Are there any anomalies?
• Don't forget to use figures from the graph

Population Growth Rate - Avg annual change of population size during a set period of time

Overpopulation & Underpopulation -

Carrying Capacity - No. of people that an area can support

1. Overpopulation - More people than can be supported by resources etc.
   1. Pollution
   2. Crime
   3. Unemployment
   4. Food & Water shortages
   5. Pressure on resources
2. Underpopulation - More resources available than the population can use effectively
   1. Higher taxes
   2. Shortage of workers
   3. Less customers
   4. Wastage of resources
   5. Lesser economic development

Optimum Population- Perfect balance between resources and population

Population Change -

1. Migration
2. Natural Population Change

Natural Population Change - [Birth Rate - Death Rate]