The holiday season in the United States is marked by a rise in volunteer initiatives as food banks, community groups, and service organizations observe increased participation from late November to early January. This period includes Thanksgiving, Hanukkah, Christmas, and New Year’s, all of which highlight long-standing traditions that encourage gratitude, charitable giving, and community involvement. Many organizations depend on unpaid support to prepare meals, organize donation drives, and maintain public facilities. Experts report that these customs reinforce the idea that generosity holds an important place during seasonal celebrations across the country.

Researchers in psychology and human evolution explain that gratitude and generosity often develop together, forming a collective pattern found in global festivals such as Diwali, Ramadan, and Eid al-Fitr. Studies show that early human groups survived by cooperating despite physical limitations. Although self-interest appears in many situations, observing kind actions can encourage similar behavior in others. Experts also note that volunteer activities improve emotional well-being, strengthen social ties, and create a sense of direction, especially for older adults who assist with administrative tasks or disaster-response work after retirement. Psychologists add that small actions—including holiday cards, simple greetings, or reconnecting with old friends—can rebuild social relationships. These practices demonstrate how gratitude-centered traditions sustain widespread interest in volunteer work even after seasonal events end.