QQ: how much information does the IRS need from the average American? Brits like me mostly don't need to do a tax return. But that's because taxes are quite si

QQ: how much information does the IRS need from the average American? Brits like me mostly don't need to do a tax return. But that's because taxes are quite simple for most people here. You earned money? You pay <rate> on <amount>. It does not matter how many kids I have or what my mortgage payments are. I get the impression American taxes require 1001 answers and sums and receipts...