[96] The purchase of an adjacent lot—and sale of part of it to Obama by the wife of developer, campaign donor and friend Tony Rezko—attracted media attention because of Rezko's subsequent indictment and conviction on political corruption charges that were unrelated to Obama.[97]
In December 2007, Money Magazine estimated Obama's net worth at $1.3 million (equivalent to $1.7 million in 2021).[98] Their 2009 tax return showed a household income of $5.5 million—up from about $4.2 million in 2007 and $1.6 million in 2005—mostly from sales of his books.[99][100] On his 2010 income of $1.7 million, he gave 14 percent to non-profit organizations, including $131,000 to Fisher House Foundation, a charity assisting wounded veterans' families, allowing them to reside near where the veteran is receiving medical treatments.[101][102] Per his 2012 financial disclosure, Obama may be worth as much as $10 million.[103]

Last name
Obama's last name originates from Luo people. In Luo language, it means "bent over" or "limping".[104]

Religious views
Obama is a Protestant Christian whose religious views developed in his adult life.[105] He wrote in The Audacity of Hope that he "was not raised in a religious household."