养老保障负担沉重医疗消费支出加大为老服务需求膨胀农村老龄问题严峻人口老龄化给一个国家的经济社会带来的影响是广泛的、长期的和复杂的。当前和今后一段时间,面对人口老龄化,我国将迎来四大挑战。 The heavy burden on old-age security The increase in medical expenditure on health The expansion of demand for old services The problem of aging in rural areas Aging The impact of population aging on the economic and social development of a country is widespread, long-term and complex. At present and for some time to come, we will face four major challenges in the face of an aging population.