If you are getting back all of the federal and state taxes you paid in last year, that means that your tax liability was zero.
If you are using the Single filing status and are under the age of 65 claiming yourself and no other Dependents, you should receive a refund of all of your federal and state taxes if your income was under $10,400.
Check out this TurboTax FAQ for more info:
https://ttlc.intuit.com/replies/3302274
