Yellen told Reuters in an interview in New Delhi on Friday that cooperation is still possible with Republicans on some issues, but lifting the debt ceiling is a non-negotiable item. Some Republicans have threatened to use the next hike in the $31.4 trillion debt ceiling as leverage to force concessions from U.S. President Joe Biden, a Democrat. U.S. public debt stood at $31.2 trillion on Wednesday and without an increase, analysts anticipate a potential default crisis by the third quarter of 2023. Asked whether Democrats should pass legislation in the post-election session, while they would still retain a majority until January, regardless of the election outcome Yellen said raising the debt ceiling was urgently needed. "I think it's irresponsible not to raise the debt ceiling.