Joseph Coughlin, head of the Age Lab at MIT, sees opportunities for growth and innovation as the senior population swells.

Another piece of the immigration puzzle is the aging of America's population. The number of people age 62 and over ... of the total population will be over 65, compared to about 13 percent now.

But even as the baby boomers age, the population of working and young people is also expected ... of their populations will be over 65. By then, the United States is likely to have more than ...

In Maine, more than 22 percent of the population is aged 65 and over. Fewer jobs, lower wages and a lack of affordable ...