Is there a measure of affluence that captures lifestyle, income, and assets? Something like: Change in overall net worth - consumption It seems there are so

Is there a measure of affluence that captures lifestyle, income, and assets? Something like: Change in overall net worth - consumption It seems there are so many ways to capture what "wealthy" really means. Some edge cases that challenge my understanding of wealthy: 1. I could make and spend $1m/year and have a net worth of $0. 2. I could earn $1m/year and consume $20k 2.1 I could donate the difference and have a net worth change of $0 2.2 I could save/invest the difference and grow my wealth 3. I could make $1m and have my $1m investments go to $0, leaving no change in my net worth (aside from that year's consumption) 4. I could make $0 and have my investments grow by $1m 5. I could have a net worth of $0 but earn $1m/year 6. I could make $10m/year but have my $100m investments go down to $50m, leaving me $40m poorer, but still be both a high earner and high net worth individual. Also, debt factors in to these. All of these variables move, and the definition of "rich" seems to be an ill-defined function of: - Income (from all sources) - Net worth - net worth change - Consumption/lifestyle - Debt - Other (connections, access to capital, creditworthiness)