President Barack Obama admitted Wednesday if US voters in the upcoming midterm elections make their choices based on their opinion of the economy, his Democratic Party could be in big trouble.

President Barack Obama said on Wednesday that Democrats risked punishment in November's congressional elections if they allow the vote to be just about the U.S. economy, rather than the two parties' policies.

US President Barack Obama Wednesday sought to box in his Republican foes on the economy, as the lagging recovery and crippling unemployment threaten Democrats with a mid-term election meltdown.

President Barack Obama, fighting to keep Democrats in charge of Congress, will push his latest plan to kick-start the economy on Wednesday and set up an election-year battle with Republicans over Bush-era tax cuts.

President Barack Obama will push billions of dollars in new business tax incentives and spending on big construction projects on Wednesday, as he tries to convince a balky Congress to pass measures intended to spur the economy and create jobs.