Japanese phrase
___人家族です。 ___ nin ka zoku de su
Meaning
There are ___ people in my family.
When to use it
States how many people are in the speaker's family. It is a simple, polite answer to a question about family size.
Example dialogue
何人家族ですか？ nan nin ka zoku de su ka
How many people are in your family?
四人家族です。 yo nin ka zoku de su
There are four people in my family.