How many Americans have voted in the presidential election – and how?

The US presidential election is on track to have the highest voter turnout in more than a century, reflecting the high stakes in the race between Donald Trump and his Democrat challenger, Joe Biden. Huge increases in early voting can be tracked, in part, to sharp political divisions among Americans amid the coronavirus pandemic. In a country where even mask-wearing to prevent the spread of Covid-19 has become a partisan issue, many want to limit…