population quantity

例句：

1. 1. The government is trying to increase the population quantity in order to meet its development goals.
   政府正试图增加人口数量以满足其发展目标。
2. 2. The population quantity has been increasing steadily over the past few years.
   过去几年里，人口数量稳步增长。
3. 3.The government is working hard to increase the population quantity and improve the living standards of its citizens.
   政府正努力增加人口数量，提高公民的生活水平。