For some reason, my elementary school had me take an IQ test when I was in the 4th grade. I scored a 132. I've never taken another. I don't know how that translates into adulthood.
I've always scored well on tests, like the ACT. (34) I have no idea if that puts me in "Mensa" territory or not.
Based on life experiences, I've always figured I was in the top 5-7% or so, in IQ. I seem to know more useless facts than most people I come into contact with. I've met some truly BRILLIANT people through the years. I'm smart enough to know them when I meet them. Quite a few dunces too.
But, I'm also a big believer that IQ alone is not all that great. EQ is also important. The people I have met who are "off the chart" on EQ have been MORE successful (from a financial standpoint) than most high IQ people I've known.
I’ve used these web sites to estimate my IQ from SAT and GRE tests. If you have taken either of them, you can update your estimates. Be careful of the dates that you might have taken those tests. The testing services changed the tests recently so that they no longer correlate to IQ.
https://www.iqcomparisonsite.com/GREIQ.aspx
http://www.davidpbrown.co.uk/psychology/iq-conversion.html
A site that explains why some countries are the way they are:
https://brainstats.com/average-iq-by-country.html