WASHINGTON — As world leaders converge here for their semiannual trek to the capital of what is still the world’s most powerful economy, concern is rising in many quarters that the United States is retreating from global economic leadership just when it is needed most.

The spring meetings of the International Monetary Fund and World Bank have filled Washington with motorcades and traffic jams and loaded the schedules of President Obama and Treasury Secretary Jacob J. Lew. But they have also highlighted what some in Washington and around the world see as a United States government so bitterly divided that it is on the verge of ceding the global economic stage it built at the end of World War II and has largely directed ever since.

“It’s almost handing over legitimacy to the rising powers,” Arvind Subramanian, the chief economic adviser to the government of India, said of the United States in an interview on Friday. “People can’t be too public about these things, but I would argue this is the single most important issue of these spring meetings.”

Other officials attending the meetings this week, speaking on the condition of anonymity, agreed that the role of the United States around the world was at the top of their concerns.