And you need to see if the tax withholding from your pay covers the actual tax due on your income. So you might get a refund if they took out too much or you will have a Tax Due if you didn't have enough withholding taken out. The withholding in W2 box 2 is just an estimate. You only get a refund from W2 box 2. Boxes 4 & 6 for SS & Medicare are mandatory taxes you don't get back.
Do you need to file a return?
https://ttlc.intuit.com/community/filing-and-paying-taxes/help/do-i-need-to-file-a-federal-return-th...
IRS Do I need to file? Interactive tool
https://www.irs.gov/help/ita/do-i-need-to-file-a-tax-return
And see IRS publication 501 Table 1 page 2
https://www.irs.gov/pub/irs-pdf/p501.pdf
