Are you standing all wrong? Posture is something that's often talked about when we're sitting but standing equally if not more important. Osteoporosis and low bone density currently affects an estimated 55% of the population over the age of 50 in the United States. This means that 1 in 8 people over the age of 50 will have it at some point in their lives. It is estimated that about 54 million Americans are affected by the condition, a statistic that is thought to climb to 61 million people by 2020.