Despite leading his party to big losses in a general election last month, Shigeru Ishiba, the prime minister of Japan, won a vote in Parliament on Monday to carry on as the country’s leader.

       Mr. Ishiba, whose Liberal Democratic Party lost its parliamentary majority for the first time in 15 years last month, will effectively lead a minority government.

       The result puts Mr. Ishiba in a precarious position as his government continues to deal with the aftermath of a political finance scandal, along with inflation, labor shortages and the increasing burdens of an aging population. Analysts said Mr. Ishiba could struggle to survive in the long term, putting Japan at risk of returning to a revolving door of prime ministers just as it prepares to grapple with increased unpredictability in the United States, its most important international ally, following the re-election of Donald Trump as president.

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