Answer: 
 
It rains more in the United States, and yes it's statistical. 
 
Explanation: 
 
Why? Well, it's because, 
 
this question can be answered by collecting the average rain levels in the United States. 
 
Statistical answers mean that there is more than 1 option on finding out. 
 
Nonstatistical answers mean that there is only 1 option on finding out something. 
 
Also if your search it up it says the United States has a way better chance at having rain.