How many peopie are there ni your family?

你家里有多少人?

How many people are there in your family?
你是不是几个地方拼错了？

你写错了，是How many peopie are there in your family?

意思是：你的家里有多少个人

意思是：你的家里有多少人？
还有，应该是How many peopie are there in your family?
in你写成ni了。

你家里有多少口人

in，not ni

你家里有几口人