Women are usually smaller in stature than men and have less bone reserve of calcium. Women also lose the production ability of estrogen when they go through menopause. Men lose calcium from bone, but not at the high rates seen in women. Whites or Asians . Whites and Asians are more likely to develop osteoporosis.
Blacks have the lowest incidence of osteoporosis in the American population.
The reason is unknown. Although it may be related to their generally having an increased bone mass. Small or petite persons . The smaller a person is at maturity, the higher the risk of developing osteoporosis. Smaller bones provide smaller reserves of calcium to the body.