The state of Michigan saw the highest number of primary voters for a gubernatorial election in at least 40 years, according to the Michigan Secretary of State.

According to the unofficial results from the Secretary of State's office, nearly 2.2 million people voting in the election. The total number was 2,196,944.

With 7,385,079 registered voters in Michigan, according to the Secretary of State, the voter turnout percentage is around 29.7 percent.

The previous high for a gubernatorial primary was 1,722,869 people in 2002, which saw Dick Posthumus win the Republican nomination for governor and Jennifer Granholm win the Democratic nomination and eventually the general election. That year saw a 23.3 percent turnout.

In the 2016 presidential primary, 2,529,141 turned out to vote for Donald Trump and Hillary Clinton, and in the 2016 general election, almost 4.8 million people turned out.