Invite people over
During the pandemic, one thing that became clear is that nothing should be taken for granted. Thus, visits from relatives and friends that once may have seemed a little tedious have now taken on greater meaning. By inviting people over, older people can keep in touch with their friends and relatives, and this is extremely beneficial for their mental health and wellbeing.
Embrace technology
It's never too late to discover the benefits of the internet. Many seniors have started using new technologies, embracing social media in order to search for old friends or acquaintances or meet new ones by participating in groups and actions. But as with any new phenomenon, you need to apply due caution.

Make the most of your free time:
There are many which, as we get older, we can do to fill our free time while broadening social contacts, such as volunteering or engaging in activities we can cope with physically, like art or travelling.
Seek companionship
As the years go by our need for emotional security, communication and love never weakens, so we need to be open to new beginnings and seek out people in our age group who are also looking for companionship to improve their quality of life.
As the world's population gets older, so it becomes more and more important for people of advancing age to be more energetic physically, mentally and socially. By taking just small steps each and everyone of us can maintain and strengthen our social bonds and thereby lead a happier life. It’s never too late to reach out for human contact and avoid becoming isolated socially.
Sources;
BMJ Journals, Association between social activity frequency and overall survival in older people: results from the Chinese Longitudinal Healthy Longevity Survey