Why are business expenses deductible from income, but someone’s basic living expenses aren’t deductible from personal income?

Question

Why are business expenses deductible from income, but someone’s basic living expenses aren’t deductible from personal income?

In: Economics

Answer 1

They are deducted. For a couple, filing jointly, you can automatically deduct ~29k (this number increases a little every year) from your taxable income when you file.

It basically represents the money you need for some life necessities