The Democratic Party suffered huge losses at every level during Obama’s 8 year West Wing tenure. They have lost 1,042 state and federal Democratic posts, including congressional and state legislative seats, governorships and the presidency.
It's Democrats that are headed to the political wilderness, not Republicans. It's entirely fitting as the Democratic Party has become the epicenter of failure, corruption, delusion, false narratives and deception. Check out this map of Congressional Districts that are held by Republicans.