2 sentences

1. 城市里的外来人口逐年增加。

   chéng​shì lǐ de wài​lái rén​kǒu zhú​nián zēng​jiā.

   The migrant population in the city is increasing year by year.

   Source: Dong Chinese Dictionary

2. 近年来，大量外来人口流入城市。

   jìn​nián lái, dà​liàng wài​lái rén​kǒu liú​rù chéng​shì.

   In recent years, a large number of migrants have flowed into the cities.

   Source: Dong Chinese Dictionary