My last analysis was about three weeks ago, and former Vice President Joe Biden was leading President Donald Trump by 375 to 163 electoral votes. After adding about 150 new polls and undertaking 100,000 simulated elections, Biden wins all 100,000 times. Biden received (on average) 378 to Trump’s 160 electoral votes. In an election held now, Biden would have a greater than 99.9% probability of winning and Trump would have a less than 0.1% probability of winning.
I decided to do an extended set of simulated elections every seven days over the past year, where each simulation includes polls from the preceding month (FAQ). The resulting plot shows that Trump has been losing ground in the electoral college totals since early April.
For the simulated elections for today, here is the distribution of electoral votes [FAQ]:
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