By 2010, One-Half of All Americans Will Be at Least

question 53

True/False

By 2010, one-half of all Americans will be at least 55 years old.

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Definitions:

Preventive Measures

Actions or strategies taken in advance to reduce the risk of harm or to prevent undesirable outcomes.

Demography

The scientific study of populations, including their sizes, compositions, distributions, and how these change over time.

Sociology

The study of social behavior, society, patterns of social relationships, social interaction, and culture that surrounds everyday life.

Negative Checks

Mechanisms that decrease a population's size, such as disease, famine, or war, as described in Malthusian theory.