Which party is leading in the US mid term elections 2026? Here's what the polls are saying

US Midterm Elections 2026 Polling: With the 2026 U.S. midterm elections now less than six weeks away, the national political picture is beginning to look different from where it stood earlier in the year. Democrats have opened a noticeable lead in several measures of congressional preference, while Republicans are still protected by the structure of the Senate map and their existing majority.