<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The history of United States debt ceiling deals with movements in the United States debt ceiling since it was created in 1917 . Management of the United States public debt is an important part of the macroeconomics of the United States economy and finance system, and the debt ceiling is a limitation on the federal government's ability to manage the economy and finance system . The debt ceiling is also a limitation on the federal government's ability to finance government operations, and the failure of Congress to authorise an increase in the debt ceiling has resulted in crises, especially in recent years . The debt ceiling has been suspended since October 30, 2015 . </P> <P> A statutorily imposed debt ceiling has been in effect since 1917 when the US Congress passed the Second Liberty Bond Act . Before 1917 there was no debt ceiling in force, but there were parliamentary procedural limitations on the amount of debt that could be issued by the government . </P>

When was the last time the debt ceiling was raised