Wouldn’t be surprised of the nationwide true number is closer to 12 Million.
There are some basic clues as to the amount of the total national theft—they are the Trump approval rating just before the election and the national poll numbers from reputable (not lefty) polling organizations.
Imho the actual national popular vote was somewhere between dead even and Trump +2.
So the entire Biden popular vote “lead” is the _minimum_ amount of the national vote fraud total from a combination of machines of various kinds (hardware and software), mail in ballot fraud and harvesting, and old fashioned on-site ballot box stuffing.