[jhundal]

I would not use the Time article as a reliable source, it cites the 70/90% figures a study by the "Williams Group wealth consultancy", which of course is trying to sell its services to wealthy clients.

I've seen the statistic quoted in so many places, yet have never found a link to the actually study. No info on sample size; we don't even have a definition of 'wealth' used in the study.

[marnett]

The sample size is 2000 families over 20 years. Better submarine piece here [1].

[1] https://www.wsj.com/articles/SB10001424127887324662404578334...