Gender, but you don't have to write if you put photos.

nation

Why is this sort? The fast employment guidance teacher reminds you that this is ranked according to hr's attention. Generally speaking, your nationality will not affect your work, and HR's attention is the weakest. Your age and gender are personal and work-related information, so hr will pay attention. After answering this question, I also want to remind you that the principle of the whole resume sorting is to closely focus on the job and reflect relevant information or advantages! Come on!