I believe that in America most immigrants do not have to assimilate into society, which is the main reason they come here.
If the largest segment of a population is in its post-reproductive years, this can lead to a decrease in population growth as there are fewer individuals contributing to reproduction. This can result in a decline in the overall population size over time unless offset by immigration or increase in birth rates among younger individuals.
they often do not represent an accurate cross section of the total population.
People over the age of 80 are the fastest growing segment of the population. This is expected to be true for the next four decades.
Hispanics.
Elderly
Baby Boomers
Hispanics
organized labor
A segment of a population targeted for study is a specific group within the larger population that researchers focus on to gather data and draw conclusions. This can be based on demographics (age, gender, income), behaviors (smoking, exercise), or other characteristics that are relevant to the research question. Targeting a specific segment helps researchers analyze trends, patterns, and potential correlations more effectively.
city
property owners
Small game hunters