Washington  - US President Barack Obama and First Lady Michelle reported income of more than 2.6 million dollars in 2008, documents released by the White House showed Wednesday.

The vast majority of the 2,656,902 million dollars reported by the Obama's came from proceeds from the president's book sales, the White House said. The couple paid 855,323 dollars in federal income tax and 77,883 in Illinois state income tax.

The Obama's donated 172,050 dollars to charity.

The White House released the Obama tax forms on the same day as the annual deadline for all Americans to file their taxes with the Internal Revenue Service.

Vice President Joseph Biden and wife Jill reported an adjusted gross income of 269,256 dollars. (dpa)