Best I can reckon, at 35 I had about $100K, had been laid off.
Then I got married and moved to Maine to start a new job.
At 40 we had $1,300,000 NW. (324,000 in Retirement accounts, 400,000 in Real Estate). Moved to China, started our own business.
At 48, my wife and I have NW ~ $2,000,000...