As to the life expectancy for dialysis patients, it depends on their ages and other medical problems present, there has no an exact answer to the life expectancy for dialysis patients. In general, the older Kidney Failure patients are and the more healthy problems they have, the less time they have remaining. If dialysis patients are between 45-54 years, the average five year survival is 70%; if between 65-74 years, it is 30%, and fewer than 20 of 100 people over 75 years old will live five years.