About 40 million people who voted in the 2016 presidential election are expected not to vote in the 2018 midterm elections.

This according to a study that was conducted by Lake Research Partners and released by The Voter Participation Center.

Two-thirds of the 40 million are considered part of a group called the "Rising American Electorate. This group consists of millennials, unmarried women and people of color.

Click through how every state voted in the 2016 election:

Out of all of those groups millennials are set to see the biggest decline in voter participation with 17.2 million fewer casting ballots.

The study also suggests that Nevada, North Carolina and Virginia will see the biggest decrease in voter turnout.

According to the Hill, The voter drop-offs could be influential for Nevada and Virginia considering both have Senate races in 2018.