Have we become less social?

My parents are in their 70s and see their high school, uni friends all the time. I'm nearly 40 and all my friends are scattered, takes a lot of effort to stay in contact. I read a stat that said something along the line of 40% of people in the last 30 years or so have moved from their place of birth.

Are we just all getting more insular or have social ties and values becoming less important do you think?