Thank you all for sharing your thoughts in response to my question. I haven't figured out the nifty "quoting" function, so I'll just weigh in generally.
Kids: I'm in my 30s with a young kid, so it's not something I have to think about much right now. But if there is a sizable amount of money that kids can inherit, I think it's a good idea to share the details. You can also sort out issues that may exists between kids. That away they can be prepared to handle it and not figuring all that out while dealing with your death. My dad takes this to the extreme and has shared everything including his account passwords with us.
Siblings: As mentioned in my original post, this an area I have experienced issues with recently. My siblings know I am debt free, but they don't know current income and net worth levels. Because we had a discussion about debt and capital in connection with a family business, they also know I have seven figures in relatively liquid investments available. I'm an attorney, so I am sure they assume my income is at a certain level. Also, just by knowing the name of my firms, you can find public info about my salary.
Parents: My dad and I have talked money since I was in my early 20s. He was 50 with a negative network. I was just learning about personal finance and how to invest. I shared a book with him that I checked out at the library and since he read it he has built a 3M net worth. That's an example of how sharing info helps. But on the other hand, I sense him trying to make up for my siblings' lower earning potential (and I'll say poor financial habits). I got my law school tuition paid for. My siblings got an equal amount to put towards new homes, home renovations, and cars because neither went to college.
Friends: I agree with the point that the more people you tell the greater the risk someone with bad intentions acts on it. We have a good friend whose family owns a convenience store. Their wealth is well known and conspicuous. And they were held at gun point by masked men who knew where the safe was. One of the masked men was later ID'd as a former high school classmate.
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