Zackary: Who's calling? motilium generic name China is not yet wealthy enough to keep up with its rapidly aging population. It is projected to have 636 million people over age 50 by 2050, or nearly 49 percent of the population — up from 25 percent in 2010. Although a recent expansion of the medical system covers most Chinese, reimbursement rates remain low and out-of-pocket costs high. Many rural families cannot afford hospitals' huge up-front deposits.