人口多少用英語怎麼表達

Nigeria has a population of nearly 100 million.

尼日利亞有近1億人口。

Population growth is decreasing by 1.4% each year.

人口增長每年下降1.4%。

For a small state it has a large urban population.

作為一個小州，其城市人口算是很多了。