According to the National Archives Federal Register, as of July 7, during his two terms, Obama has issued 244 executive orders.
President George W. Bush: 291 executive orders.
President Bill Clinton: 364 executive orders.
President George H.W. Bush: 166 executive orders.
President Ronald Reagan: 381 executive orders.
President Jimmy Carter: 320 executive orders.
And President Gerald Ford: 169 executive orders.
Taking the average of all those orders, the number is 276. At 244 orders, Obama could be said to have issued fewer orders than average among his cohorts of the past 40 years.