What are you using for your source for vote totals by vote method to make that determination?
Again, there was a time component here, where battleground states were strategically targeted to delay when votes would be counted. Feel free to read the source I posted above, or look at other state by state summaries here: https://abcnews.go.com/Politics/battleground-states-process-...
You will see some difference in ratios by voting method regardless, however. For example, in Arizona, the fact that voting by mail has been common for years, makes it much less partisan.
Again, there was a time component here, where battleground states were strategically targeted to delay when votes would be counted. Feel free to read the source I posted above, or look at other state by state summaries here: https://abcnews.go.com/Politics/battleground-states-process-...
You will see some difference in ratios by voting method regardless, however. For example, in Arizona, the fact that voting by mail has been common for years, makes it much less partisan.