According to the Taxpayer Advocate the latest numbers are: 1.  8.6 Million unprocessed personal tax returns 2.  3 Million unprocessed business tax returns 3.  5 Million unanswered pieces of taxpayer correspondence One of my family members filed an amendment of their 2018 personal tax return back in the summer of 2020. They call the IRS and check every month. To date their amended return has been logged as "received" however as yet no one has been "assigned" to work