Democrats regain control of the US Senate In a major electoral setback for President Donald Trump and the Republicans, the Democratic Party officially secured the majority by winning 53 seats (compared to 41 for the Republicans as the count continued). The salient features of the victory: - Historic breakthroughs: Picked up seats in traditional Republican strongholds that included Texas, Ohio and South Carolina, in addition to Kansas, where Democrats won a seat for the first time since the 1930s. - Changing the balance of power: this majority gives the Democrats full control over the legislative agenda, chairing committees and approving judicial and government appointments.