By Dr. Marciene Mattleman

PHILADELPHIA (CBS) – In the spirit of the holiday, it’s inspiring to know that Americans are involved with improving the lives of others.

READ MORE: Four Children Among Five Killed In Pottstown Home Explosion, Police Say

Latest data show that one in four adults volunteered through an organization in 2012.

Altogether 64.5 million people gave nearly 7.9 billion hours. The value of this service is $175 billion based on the estimate of a volunteer hour.

READ MORE: Beach Erosion Will Keep One-Third Of North Wildwood Beaches Closed Memorial Day Weekend

Generation X, those born between 1965-1980, trended upward for the past 11 years and has the highest rate of service. Teenagers increased service hours; those over 65, spent a median of 90 hours annually, far above the national average.

The website of the National and Community Service notes further that volunteers improve their own lives as well – gaining skills, experience and contacts that can help in finding employment.

MORE NEWS: CBS3 SummerFest: 2 St. Joe's Grads Bringing New Tiki Cruise Experience For Adults To Wildwood

With the 20th anniversary of AmeriCorps and its 800,000 members tutoring and mentoring youth, plus increases of those improving their communities, despite increased poverty and education deficits, much augurs well for the future.