The number of deaths per year for every 1,000 people.
The number of births per year for every 1,000 people.
Growth rate of a population.
The number of years it takes a population to double in size.
The pattern of human settlement.
The average number of people living on a square mile or square kilometer of land.
The movement of people from place to place.
The way of life a society of people who share similar roots.
Large groups of languages having similar roots.
A group of people who share a common language, history, place of origin, or a combination of these elements.
A region of the earth where people share common traits.
The process of spreading new knowledge and skills from one culture to another.
Early civilizations whose ideas and practices spread to surrounding areas.
A system of government that gives all key powers to the national or central government.
A system of government that divides power between the national government and state or provincial governments.
A system of government in which the power and authority to rule belong to a single individual.
A system of government in which a small group holds power.
A system of government in which leaders rule with the consent of the citizens.
An economy in which habit and custom determine the rules of economic activity.
An economy in which individuals and private groups make decisions about what to produce.
An economy in which the government supports and regulates free enterprise through decisions that affect the marketplace.
An economy in which decisions are made at the upper levels of government and handed down to the people.
An element from the earth that can be used for food, fuel, or other necessities.
A country that is working toward greater manufacturing and techonology.
The spread of industry.
The removal of trade barriers so that goods can flow freely between countries.
The release of unclean or impure elements into the air, water, and land.
A country in which most people are employed in manufacturing or service industries and enjoy a high standard of living.