Former vice president Joe Biden decisively won the primary and every county in the state, getting almost 53% of the vote and 73 delegates.

Senator Bernie Sanders received around 36% of the vote and 52 delegates, marking a clear regression in support for him from 2016, when he edged out Hillary Clinton by 1.42% and won 73 of the state's 83 counties.

[3] Despite losing every county and almost all municipalities, Sanders was still able to win some of the major cities in the state including: Ann Arbor, Dearborn, Grand Rapids, Lansing and Kalamazoo.

In the open primary, candidates had to meet a threshold of 15 percent at the congressional district or statewide level in order to be considered viable.

The 125 pledged delegates to the 2020 Democratic National Convention were allocated proportionally on the basis of the results of the primary.