Senate Majority Leader Chuck Schumer (D-NY) gestures, walking out of the Senate Chamber, celebrating the passage of the Inflation Reduct Act at the U.S. Capitol on Sunday, Aug. 7, 2022 in Washington, DC. TDemocrats will hold their razor-thin majority in the U.S. Senate, NBC News projects, staving off a full-bore effort by Republicans to leverage economic volatility and public discontent into control of the upper chamber of Congress. The party will hold at least 50 seats in the Senate in the next Congress, after incumbents held their ground in key races and Democratic Lt. Gov. Democrats currently control the Senate split 50-50 by party through Vice President Kamala Harris' tiebreaking vote. Mark Kelly of Arizona and Catherine Cortez Masto of Nevada both prevailed in their closely contested races, NBC projected after days of counting in both states, clinching the chamber for Democrats.

---