The worldwide bond / debt market exceeds $100 Trillion. While the worldwide stock market is only $69 Trillion (sum of top 60 exchanges)
https://www.visualcapitalist.com/all-of-the-worlds-stock-exc...
It is clear that Bonds are more popular than Stocks, by a factor of ~50% or so. The rich are buying up debt in far greater numbers than stocks. And EVERYONE knows that Bonds make less money.
I know some of it is cultural. My Chinese friends tend to own real-estate. But it seems like around the world, all major investors favor the lower-risks of Bond investing compared to Stocks.