人口多少用英语怎么表达

Nigeria has a population of nearly 100 million.

尼日利亚有近1亿人口。

Population growth is decreasing by 1.4% each year.

人口增长每年下降1.4%。

For a small state it has a large urban population.

作为一个小州，其城市人口算是很多了。