The hierarchical division of people into groups based on factors such as economic status, power, and/or ethnicity

Which population density is calculated by dividing its population by its total amount of arable land?

Which density compares the number of farmers to arable area?

The relationship between urban and rural area growth, where as urban areas grow in population, rural areas are shrinking

The facilities and structures that allows people to carry out their typical activities

Having more people than a region can support

The number of people a region can support without damaging the environment

A graph based solely on age and gender data

The vertical axes which shows age groups on a population pyramid

A slowdown of births

A spike in birth rates after a birth deficit

A period of time after a baby boom where birth rates are lower

An increase in birth rates which reflects an earlier baby boom

The group expected to be the society’s labor force

People considered too young or too old to work full-time; rely on the economically active workforce to keep society running

The comparison between the size of a population’s potential workforce and its dependent population

An area has a total area of 32,000 square miles, 4,000 square miles of which is arable land, a population of 10,000, and 4,000 farmers. Using the physiological density, what is the area's population density?

An area has a total area of 32,000 square miles, 4,000 square miles of which is arable land, a population of 10,000, and 4,000 farmers. Using the arithmetic density, what is the area's population density?