An Age UK report presents an overview of the latest evidence on loneliness among people aged over 50.
All the lonely people: loneliness in later life. London: Age UK, September 2018.
There was an earlier, more extensive, 2015 report:
Promising approaches to reducing loneliness. London: Age UK [and] Campaign to End Loneliness, 2015.
And a follow-up:
Testing promising approaches to reducing loneliness. London: Age UK, 2016.