Fertility rates of more than 30 per 1,000

• Extremely high crude death rate

• Extremely high crude birth rates

• No natural increase rate

• Extremely high crude natural increase

Fertility rates of less than 18 per 1,000

• Extremely high crude birth rates

• Very low crude birth rates

• Falling crude birth rate

• No natural increase rate

Death rates above 20 per 1,000

• Falling death rate

• No natural increase rate

• Extremely low crude death rate

• Extremely high crude death rate

Measures the growth of population in a region, exclusive of immigration and emigration

• Very low birth rate

• Extremely high crude birth rate

• Natural Increase rate

• Falling Crude birth rate

People are having fewer children than the 2.1 needed to maintain a steady population.

• Falling Crude Birth Rate

• Falling Crude Death Rate

• Falling Natural Increase Rate

• Falling Parasitic Diseases

Increases in Disease Control Medicines, Public Health Programs, Medical Facilities, Education, Status of Women, Food Supply will cause...

• Endemic Diseases

• Falling Crude Death Rates

• Extremely High Crude Birth Rates

• Epidemic Diseases

Equal birth and death rates create a stable human population

• Very Low Birth Rate

• Extremely High Crude Death Rate

• Falling Crude Death Rate

• No Natural Increase Rate

Disease that is always present in a certain population or region, for instance malaria.

• Endemic infectious and Parasitic Disease

• Pandemic infectious and Parasitic Disease

• Epidemic infectious and Parasitic Disease

• Undemic infectious and Parasitic Disease

When an infectious disease spreads quickly to more people than experts expect

• Endemic infectious and Parasitic Disease

• Epidemic infectious and Parasitic Disease

• Pandemic infectious and Parasitic Disease

• Undemic infectious and Parasitic Disease

When a disease spreads across several countries and affected a large number of people

• Endemic Infectious and Parasitic Disease

• Undemic Infectious and Parasitic Disease

• Pandemic Infectious and Parasitic Disease

• Epidemic Infectious and Parasitic Disease