President-elect Barack Obama said Saturday that an analysis of his stimulus proposal found that the capital infusion could save or create as many as 4 million U.S. jobs by 2010, nearly 90% of them in the private sector.

Obama previously estimated that his estimated $800 billion strategy for winching the American economy out of its year-long recession could save or create 3 million jobs, but the new study has found that the actual number would range between 3 million and 4 million.

The analysis was submitted by Christina Romer, head of Obama’s council of economic advisors, and Jared Bernstein, the economic advisor to Vice President-elect Joe Biden. The analysis directly follows an official government report showing that U.S. employers slashed more than half a million jobs in December, pushing the unemployment rate to 7.2% and bringing the number of jobs lost last year to 2.6 million — the worst showing since