Then: A 1996 survey by the Employee Benefit Research Institute found the percentage of retirees in 1996 that were very confident they would have enough money to live comfortably throughout their retirement stood at 30 percent.
Now: The same survey taken in 2010 found only 16 percent believed they would be financially secure throughout their golden years.
Then: 2.9 million people had Alzheimer's disease.
Now: 5.3 million people suffer from this devastating illness as the population of older Americans swells.
Then: Sexual performance problems were rarely discussed in public, and there weren't many treatment options.
Now: Commercials for "ED" drugs flood the airwaves, and consumers are responding: Between 2006 and 2009 alone, Viagra sales in the U.S. grew 21 percent to $994 million.
Then: Your health plan didn't focus on preventive care, diet or quit-smoking programs.
Now: Prevention is the name of the game for every health plan. Some plans even charge smokers more for premiums.
Then: If you had arthritis in your hip, you likely endured chronic discomfort. Now: You can opt to have your hip replaced with titanium parts.
Then: About 84 percent of Americans has a defined benefit pension in 1980.
Now: Only 33 percent had a pension in 2009.
Then: The Internet was largely unknown, and most people relied on the U.S. mail and a wall phone to communicate, and on radio, TV and newspapers for their information.
Now: 17.5 million people over 65 use the Internet and growing numbers get their news and information from websites, connect with one another on Facebook and talk to grandkids via Skype.
Then: In 1980, 17.2 percent over the age of 65 smoked.
Now: The figure is down to about 9 percent.
Then: The Sun Belt was the retirement dream: In 1980, 492,528 people migrated to Florida, while 195,707 left.
Now: In 2008, more people left the Sunshine State than moved there: 413,357 moved in, 438,085 left.
Then: Most people retired by age 65, and then pursued travel, relaxation and hobbies.
Now: In a recent AARP survey, 31 percent of people who were working said they had "retired" from a previous job. And 40 percent said they planned on working "till they dropped." Many boomers talk about "re-invention" as a top retirement priority.