isbn: 9781848146282 was an economist pick about cohort studies and how people live. It is a bit buzzwordy and a gentle introduction but the data from 1946 has become more accessible and relevant with modern stuff like computers.
Politicians are as usual unwise and foolish to this stuff and it appears many problems continue and neither red nor blue party really cares for them or takes advice from them unless its part of there party line.
You may know of these large studies by headlines like fat children,divorce and the family in newspapers.and such like
Not all studies work and there is a lot failure in practice before these things work which is something america discovered. Oddly a question like how much change from £2 will you get from a item costing 0.64p can tell you a lot about a group of people.
Something worth celebrating as an idea even if politicians see what they want to (failing) and the msm finding a negatives for headlines.