Translation of "underpopulated" into Chinese

That said, the Libyan Arab Jamahiriya was a vast and underpopulated country and married couples were encouraged to do their bit to increase the population

阿拉伯利比亚民众国是一个幅员辽阔、人口稀少的国家,因此,国家鼓励已婚夫妇尽职尽责,增加利比亚人口。