What if my child was born in 2019? My child born in August 2019, when asked how many months were in the U.S. I select 5 months?

[macuser_22]

Select the entire year.   Even if born on December 31, a new born child is deemed to have lived with you the entire year.

[yaochanghu]

Thanks, i know  even if born on December 31, a new born child is deemed to have lived with you the entire year.

But my questions is how many months were in the U.S ? i select the entire year too?