No. A spouse can never be claimed as a dependent. You file a joint return. You can file a joint return even if one spouse had little or no income.
When you file a joint return, you and your spouse will get the married filing jointly standard deduction of $27,700 (+$1500 for each spouse 65 or older) You are eligible for more credits including education credits, earned income credit, child and dependent care credit, and a larger income limit to receive the child tax credit.