Bernie Sanders Matt Rourke/AP Senate Majority Leader Mitch McConnell, a Kentucky Republican, is the least popular senator in America, while former Democratic presidential candidate Bernie Sanders is the most popular, according to a new Morning Consult poll of the senators' constituents.

McConnell, the most powerful Senate lawmaker, stands apart from the rest of his colleagues in having a net negative approval rating — more of his constituents gave him a negative review than a positive one.

But this is a step in the right direction for McConnell, who had a majority disapproval rating — 51% — in the lead up to the 2016 election.

Four of the top five least popular senators are Republicans. Notably, both senators from Vermont, Wyoming, and Maine make up the top six most popular.

The poll surveyed 85,000 registered voters across the country between January and March 2017.

The 5 least popular senators are: