By combing through newly digitized census data from the 19th century, J. David Hacker, a demographic historian from Binghamton University in New York, has recalculated the death toll and increased it by more than 20 percent â to 750,000. The new figure is already winning acceptance from scholars.
one such scenario applies to the payment of disability benefits or social security disability insurance ssdi while the general 40 credit rule holds for those 62 or older if you become disabled at a younger age you may qualify for disability benefits with fewer credits
In addition, an individual must have earned sufficient work credits in order to qualify for SSDI. The normal requirement is a total of 40 credits, 20 of which must have been earned in the 10 years prior to the onset of disability.