老龄人口比重英文

人口老龄化英语是ageing of population。

在句中，也可用an aging population；population aging；The Aging of the Population等。

举例：

1、The plan requires establishing the basic institutional framework for tackling population aging by 2022. By the middle of the century, a mature institutional arrangement that meets the needs of a great modern socialist country should be put into place.

《规划》明确，到2022年，我国积极应对人口老龄化的制度框架初步建立；到本世纪中叶，与社会主义现代化强国相适应的应对人口老龄化制度安排成熟完备。

2、It calls for improving the national income distribution system, steadily increasing the pension reserves and establish a fairer and more sustainable social security system.

通过完善国民收入分配体系，稳步增加养老财富储备，健全更加公平更可持续的社会保障制度。