This assumes people spend at the 33% level on housing. You'd have to actually know what people are spending on housing, after accounting for spouses/roommates.

This assumes people spend at the 33% level on housing. You'd have to actually know what people are spending on housing, after accounting for spouses/roommates. It could end more being more or less than 23 million, easily. e.g. I spend ~22% Also, some people will own their home or live at a family owned home.