Three days after polls closed, the United States and the world still do not have final results from the presidential election, although Democrat Joe Biden was on the brink of unseating Donald Trump.
The wait has fueled tension across the polarized nation, with Trump alleging without evidence that Democrats are engineering fraud.
But the delay was widely expected, often for reasons specific to individual states, which under the US system each conduct their own polls:
Competitive states take longer
California, the nation’s most populous state, was quickly called for Biden after polls closed Tuesday. But such calls are in fact projections by news outlets rather than official results, meaning that it takes longer to get an accurate picture in narrowly divided states.