Decreased death rates are a factor contributing to population decline, not growth.

Natural increase is the difference between the birth rate and the death rate.

Monaco has the highest population density in the world, with over 18,000 people per square kilometer.

Migration is the general term for the movement of people from one place to another.

Rapid population growth can lead to a decline in the quality of life due to resource scarcity and environmental degradation.

Population aging refers to the increasing proportion of older people in a population.

Greenland has the lowest population density in the world, with less than 1 person per square kilometer.

Population growth rate is the rate at which a population increases over time.

Improved healthcare is a factor contributing to population growth, not decline.

Population density is the number of people per unit area.

China has the largest population in the world, with over 1.4 billion people.

International migration is the movement of people from one country to another.

Population decline can lead to a decrease in urbanization as people move from rural areas to urban areas in search of opportunities.

Population momentum refers to the tendency of a population to continue growing even after the fertility rate has declined.

Cultural factors are not typically considered to be a major factor influencing population distribution.