Here is one source based on income bracket[1] which I think is a pretty strong corollary. Here is a nice visualization of spending by age group[2] and the orig

Here is one source based on income bracket[1] which I think is a pretty strong corollary. Here is a nice visualization of spending by age group[2] and the original source for that data[3]. 1. https://www.pewtrusts.org/en/research-and-analysis/issue-briefs/2016/03/household-expenditures-and-income https://www.pewtrusts.org/en/research-and-analysis/issue-bri... 2. https://engaging-data.com/household-spending-age/ https://engaging-data.com/household-spending-age/ 3. https://www.bls.gov/cex/home.htm https://www.bls.gov/cex/home.htm